MRCP PassMed Flashcards
Deficiency of Selenium can cause what?
Dilated cardiomyopathy
Epileptics needing malarial prophylaxis use?
Atovaquone + proguanil
Which anti malarial cant you give in epilepsy?
Mefloquine
Alpha-1-antitrypsin genotype with highest risk of developing emphysema and low circulating levels?
PiZZ
Alpha-1 antitrypsin genotype with high circulating levels but rarely emphysema?
PiSS
Best way to test LVF?
MUGA scan
Often used in monitoring with chemotherapy
Malaria treatment two stages are?
ACT
Primaquine
What does primaquine do?
Destroy non-falciparum liver hypnozoites and prevents relapse
Pyoderma gangrenosum treatment?
Oral steroids
Sickle cell trait genotype?
HbAS
Sickle cell gene genotype?
HbSS
CD20 targetting monoclonal antibody?
Rituximab
Before starting rituximab screen for?
Hep B
S4
Severe AS
HOCM
What stimulates the release of gastrin from G cells?
Luminal peptides
Complete heart block following inferior MI management?
Common and if haemodynamically stable treat conservatively
Indications for temporary pacemaker?
Bradycardia with adverse features not responding to atropine
Anterior MI with complete heart block/ Mobitz type 2
Trifascicular block prior to surgery
Baby with haemodynamically significant PDA give?
Indomethacin for closure
Blood transmission of HIV by needlestick?
0.3%
Cavitating lung lesion infection?
Staph aureus
Dabigatran mode of action?
Direct thrombin inhibitor
Urge incontinence in elderly, with risk of anticholinergic burden?
Mirabegron
Action of mirabegron?
Beta 3 agonist
Action of oxybutynin?
anti muscarinic
CT head with numerous small calcifications after travel abroad?
Neurocysticosis
What is Fabry disease?
Deficiency of alpha galactosidase A
How does Fabry disease present?
High urine protein and albumin
Angiokeratomas to trunk
Burning pain to hands and feet
Dark urine after exercising
Gilteman syndrome?
Normotension
Metabolic alkalosis
Hypokalaemia
Hypocalciuria
Bartter syndrome?
Normotension
Metabolic alkalosis
Hypokalaemia
HYPERcalciuria
Hyperaldoesteronism?
Hypertension
HyperNa
Neuropathic pain means not working next step?
Monotherapy, stop one and try another
Blistering rash including mucous membranes?
Pemphigus vulgaris
New diagnosis of dermatomyositis investigation?
Malignancy check
Dermatomyositis presentation?
Helicotrope rash
Gottrons papules
Proximal myopathy
High CK
Octreotide mode of action?
Somatostatin analogue
Carcinoid syndrome treatment?
Octreotide
What avoids graft vs hots disease for blood products?
Irradiation
Heparin induced thrombocytopenia antibodies?
Against heparin and platelet factor 4
Friedrichs ataxia seen with:
Ataxia
Nystagmus
Cardiomyopathy
High arched palate
Optic atrophy
DM
Inheritance of Friedrichs ataxia?
AR
Cause of friedrichs ataxia?
Trinucleotide repeat
Malt workers lung?
Aspergillus clavatus
Hereditary angioedema test?
C4 levels
No histamine involved
Subacute degeneration of the cord affects the?
Lateral corticospinal tracts and dorsal coloumns
Traveller came home with persistent fever, rash sparing soles and palms, retroorbital headache and myalgia?
Dengue fever
Ancanthosis nigricans rash?
Gastric adneocarcinoma
Hypothyroidism
Prader-Willi
PCOS
DM
Steroids
Treatment of acromegaly?
Surgery
If refractory Octreotide, Pegvisomant
Mode of action of pegvisomant?
GH receptor antagonist
Listeria in CSF abx change?
Amoxicillin + gent
HLA-B5801
High risk of allopurinol induced SJS
Hungry bone syndrome
Sudden drop is PTH
Verapamil is contraindicated in?
Ventricular tachycardia
last
Last
Laxative for opioids?
Senna
Anti Emetic for chemotherapy
Ondansetron
Action of Ondansetron?
5HT3
Valvular disease in carcinoid?
Pulmonary stenosis
Pregnant women abx for UTI
Nitrofurantoin (except 3rd trimester- cefalexin)
Pen allergic trimethoprim
Murmurs memory aid
MR PAN
MS MD
AR ED
Frequent NSAID with mild eosinophilia, rash and arthralgia?
Acute interstitial nephritis
Restless legs treatment?
Ropinirole
Sildenafil mode of action?
PDE 5 inhibitor
What is contraindicated with Sildenafil?
Nitrates and Nicorandil
Anti-Yo linked to?
Breast and ovarian Ca
Cerebellar syndrome
MRI for MS?
MRI FLAIR
MRI for thyroid eye disease?
MRI STIR
NIV not recommended in?
Bronchiectasis
NIV ph for COPD?
<7.25
Bacterial infection in unpasteurised milk/ cheese?
Brucella
Antibiotic that increases the risk of MRSA?
Ciprofloxacin
SLE most common antibody?
ANA
SLE most common antibody?
ANA
Non specific urethritis?
Doxycycline 1 week
Mechanical aortic valve INT target?
3
Mechanical mitral valve INR target?
3.5
Travellers diarrhoea?
E. Coli
Ketamine mode of action?
NMDA receptor antagonist
Adrenaline mode of action?
G protein coupled receptor
Gosh and seafood poisoning?
Mercury
Visual defects, hearing loss and paraesthesia poisoning?
Mercury
Visual defects, hearing loss and paraesthesia poisoning?
Mercury
VBG of renal tubular acidosis?
NAGMA
Oropharyngeal cancer cause?
HPV 16+18
AML poor prognosis?
Deletion 5 and 7
Chemo agent causing hypoMg?
Cisplatin
SGLT2 inhibitor SE?
Fourniers gangrene
SGLT2?
Gliflozins
SGLT2?
Gliflozins
What secretes surfactant?
Type 2 pneumocysts
How long to monitor anaphylaxis after?
At least 2 hours
Does SJC have mucosal involvement?
Yes
What is dermatitis herpetiformis?
Autoimmune papules and pustules on extensors, pruritic
What is dermatitis herpitformis linked to?
Coeliac disease
One single ring enhancing lesion on CT Brain?
Abscess
Abx for brain abscess?
Ceftriaxone + metronidazole
What is lead time bias?
new investigation method diagnoses early but no effect on outcome
Perioxisomes action?
catabolism of long chain fatty acids
What are the indications for steroids in sarcoidosis?
parenchymal lung disease, uveitis, hypercalcaemia, neuro/ cardiac involvement.
Anti Hu antibodies seen in and with what?
Small cell lung cancer
Painful sensory neuropathy
Cerebellar syndrome
Stain and sign for Cryptosporidium?
modified ZN stain - red cysts
What is Kartanger syndrome?
primary ciliary dyskinesia
How is kartanger syndrome seen?
Dextrocardia, chronic sinusitis, bronchiectasis, male sub fertility
Renal complication of Tuberous sclerosis?
renal angiomyolipomata prone to haemorrhage
ABG seen in Cushings?
hypokalaemic metabolic alkalosis, due to sodium and water retention
Causes of Eczema herpeticum?
HSV
Cocksakie virus
Action of Secretin?
Secretin promotes bicarbonate secretion in GIT
What causes cat scratch disease?
Bartonella
Staining in cat scratch disease?
Wartharin-starry staining
Presentation of cat scratch disease?
regional ipsilateral lymphadenopathy
High C-peptide?
High c-peptide endogenous insulin
Low C-peptide?
Low c-peptide means insulin exogenous
What is Pulsus alternans?
alternating strong and weak pulse in severe LVF
What is Pulsus paradoxes?
fall of BP on inspiration in cardiac tamponade
How do you treat Adrenaline induced ischaemia?
phentolamine
What is the mechanism of action of Timolol?
Timolol reduces aqueous production in open angle closure glaucoma
What can Polycyanthemia Vera progress to?
AML
Mode of inheritance of Peutz-jeghers syndrome?
AD
What is Peutz-jeghers syndrome?
AD haemartomas in GIT leading to colon cancer seen with pigmented freckles on lips, face, palms
Malaria with shortest erythrocytic replication cycle leading to high parasite count in short period of time
plasmodium knowlesi
Dermatomyositis most common antibody?
ANA
Dermatomyositis most specific antibody?
Anti Mi 2
Or Anti Jo-1
Which anti malarial to avoid in G6PD?
Primaquine avoid in G6PD
Treatment of oculogyric crisis?
Procyclidine
What is 11-beta hydroxylase deficiency?
congenital adrenal hyperplasia with excess DOC
What is 11-beta hydroxylase deficiency associated with hypertension/ normotension?
Hypertension
HypoK
What is Wiskott-Aldrich syndrome?
Combined B- and T-cell disorders
What produced gastrin?
G cells in antrum of stomach
Stroke of anterior cerebellar artery?
Contra-lateral hemiparesis
Sensory loss
Lower limb > upper
Stroke of middle cerebral artery?
Contra-lateral hemiparesis
sensory loss
Upper > lower
Homonymous hemianopia
Aphasia
Posterior cerebellar artery stroke?
Contra-lateral homonymous hemianopia with macular sparing
Visual agnosia
Webers syndrome?
Stroke of branch of posterior cerebral artery supplying the midbrain
Weber’s syndrome presentation?
Ipsilateral CN palsy
Contra-lateral weakness in upper and lower limbs `
Posterior inferior cerebellar artery stroke AKA?
Wallenberg syndrome
Lateral medullary syndrome
What is wallenberg syndrome?
Ipsilateral facial pain and temp loss
Contralateral limb/ torso pain and temp loss
Ataxia and nystagmus
Anterior inferior cerebellar (lateral pontine syndrome) signs?
Ipsilateral facial paralysis
Deafness
India ink for?
Cryptococcal
Reduce risk of calcium renal stones medication?
Thiazides
MRI head non enhancing multiple lesions?
JC virus
Primary central nervous system lymphoma on MRI?
HIV CD4 <50 multiple enhancing lesions with oedema and mass effect
Hazard ratio meaning?
Analysing survival over time
Action of Buprenoprhine?
partial agonist of the mu-opioid receptor and an antagonist of the kappa-opioid receptor
What is De Quervains tenosynovitis?
inflammation of the sheath containing the extensor pollicis brevis and abductor pollicis longus tendons
What is a nonsense mutation?
A mutation that results in a stop codon
Ticagrelor mode of action?
Inhibits ADP binding of platelet receptors
Donepezil SE?
Insomnia
Pre diabetes diagnosis?
fasting 6.1-6.9
HbA1c 42-47
Impaired fasting glucose?
6.1 to <7
Impaired glucose tolerance?
Fasting <7 and OGTT 7.8+ <11.1
Cavitating lung cancer?
Squamous cell
Management of bleeding in VWF?
Desmopressin
Livedo reticularis rash (lace like) in?
SLE
Cryoglobulinaemia
Anti phospholipid
Ehlers-Danlos syndrome
Muddy brown casts?
ATN
Ankylosing spondylitis x-ray?
Syndesmophytes
Von Hippel Lindau syndrome renal cancer?
Clear cell renal cell carcinoma
What is leptin?
Produced by adipose tissue and decreases appetite
Length for result of finasteride?
6 months
Staph aureus time to food poisoning?
4 hours
What does lichen planus look like?
P’s on flexors
Planus
Purple
Pruritic
papular
Polygonal
+ wickmans striae
Best data class- meta analysis?
1a
Dermatitis herpitformis and Sjogrens HLA?
HLA DR3
Behcets HLA?
HLA B51
T1DM HLA?
HLA DR4
Allergic bronchopulmonary aspergillosis tx?
Prednisolone
Rapid depolarisation cause?
Rapid sodium influx
Opioid for renal impairment?
Buprenoprhine
What is Trastuzumab?
Herceptin
What is the mode of action of herceptin/ trastuzumab?
HER2
Selegiline mode of action?
MAO-B inhibitor
LRTI with hypoNa?
Legionella
Ciclosporin levels timing?
Immediately before next dose
3 Anti HTN, K for next step?
> 4.5
3 anti HTN with K 4.6 next step?
Alpha blocker
Beta blocker
3 anti HTN with K 2.1?
Spironolactone
Bladder calcification?
Schistosoma haematobium
Rosacea treatment?
Topical ivermectin + oral doxycline
Source of folic acid?
Liver
S4?
Aortic stenosis
HOCM
S3?
Normal <30
LVF (dilated cardiomyopathy), MR, constrictive pericarditis
HIV linked to obstructive jaundice cause?
Sclerosing cholangitis
SE of hydroxychloroquine and monitoring as a result?
Retinopathy
Fundoscopy and VA
DiGeorge syndrome as defective?
T cells
Infection risk in DiGeorge?
Cryptococcus neoformans due to thymus hypoplasia
What is osteomalacia?
Vit D deficiency of adults
Low Ca and phosphate
High PTH
Looser zones
What is pagets?
Increased bone turnover
Isolated raised ALP
Drugs causing gingival hyperplasia?
Gums - gingival hyperplasia
Can- CCB (amlodipine, nifidipine)
Cause- Cyclosporin
Pain - Phenytoin
Alot- AML
Skin cancer in renal transplant?
SCC
Bicuspid aortic valve is associated with?
Coarctation of the aorta
Renal stones are most commonly?
Calcium oxalate
Pulmonary haemorrhage and nephritic syndrome think?
Goodpastures syndrome
What is good pastures syndrome?
anti GBM
Hereditary angioedema due to?
Bradykinin
Biopsy with subepithelial deposits, thickened capillary walls and nephrotic syndrome?
Membranous glomerulnephritis
Bladder cancer infection?
Schistosomiasis
Nasopharyngeal cancer linked to?
EBV
Stage 1 diabetic nephropathy?
Hyperfiltration and increase in eGFR
Stage 2 diabetic nephropathy?
eGFR elevated and latent
Stage 3 diabetic nephropathy?
Microalbuminuria
Stage 4 diabetic nephropathy?
Proteinuria >300 with diffuse glomerulsclerosis, and kimmelsteil wilson nodules
Stage 5 diabetic nephropathy?
ESRD
Epsilon waves in V1-3?
Arrthymogenic right ventricular cardiomyopathy (ARVD)
What is arrthymogenic right ventricular cardiomyopathy?
Replacement of R ventricle with fatty fibrous tissue
Risk of atypical anti psychotics in elderly?
VTE
Lights criteria for exudative effussion?
High protein/ serum protein >0.5
Fluid LDH / serum LDH >0.6
Fluid LDH > 3* normal
CRAB + raynauds seen in?
Type 1 cryoglobulinaemia
What is the action of troponin C?
Binding calcium to activate muscle contraction
Avascular necrosis of hip seen more in?
Chronic alcoholics
Primary biliary sclerosis linked to?
Sjrogens
Treatment of PBS?
Ursodeoxycholic acid
Features of ankylosing spondylititis?
A’s
- Apical fibrosis
- Anterior uveitis
- Aortic regurgitation
- Achilles tendonitis
- AV node block
- Amyloidosis
Which abx can prolong QTc?
Erythromycin
Eggshell calcification on scans in lung?
Silicosis (miners lung)
Miners lung is?
Silicosis
How do you calculate standard error of the mean?
SD / square root (no. pt)
Ashoff bodies seen in?
Rheumatic fever
What are ashoff bodies?
Granulomatous nodules in rheumatic fever
What is high ASOT?
Rheumatic fever
Infliximab action?
Anti TNF
Action of flecanide?
Blocks Na v 1.5 channels in the heart
What is associated with MALT lymphoma?
hashimotos thyroiditis
Hypothyroidism adjustment in pregnancy?
Increase up to 50%
Most common inherited thrombophilia?
Factor V leiden
How is Lesch-Nyhan syndrome passed on?
X linked recessive
How is lesch-nyhan seen?
Sand coloured, orange stools
Hyperuricaemia
Thrombectomy in stroke?
6-12 hours
Thrombolysis for stroke?
4.5h
Dentistry in warfarinised patients?
Check INR 72 hours before, proceed if <4
Good prognosis in GBS?
No diarrhoeal illness
Poor prognosis in GBS?
Anti GM1 high
X-ray findings of ankylosing spondylitits?
Syndesmophytes, subchondral erosions, sqauring of vertebrae
Mechanism of action of aspirin?
Inhibits thromboxane A2 production
Severe malaria?
Parastaemia >2%
Canon A waves JVP?
Complete heart block
Last stage of atherosclerotic plaque?
Smooth muscle proliferation and migration from media to intima
Screening for herediatry angioedema between attacks?
C4
Mechanism of action of aspirin?
Non reversible COX 1 and 2 inhibitor
Mechanism of action of docetaxel?
Prevents microtubule depolymerisation and dissasembly
Mechanism of action of buprenoprhine?
Partial agonist Mu- opioid receptors
Antagonism at kappa
Sitagliptin is a?
DDP-4 inhibitor
Effect of DDP-4 inhibitors e.g., sitagliptin on weight?
DONT cause weight gain
Haemolytic uremic syndrome triad?
- Haemolytic anaemia (MAHA)
- AKI
- Thrombocytopenia
Causes of cranial DI?
Head injury
Pituitary surgery
Craniopharyngiomas
Sarcoidosis
Histiocytosis X
Hemochromatosis
Causes of nephrogenic DI?
Vasopressin receptor deficiency
Less common aqauporin 2 channel
HyperCa
HypoK
Lithium
Tetracyclines can cause what SE?
Photosensitive rash to face and neck
Crohn’s signs?
Inflammation of all layers
Goblet cells
granulomas
Rose thorn ulcers
Kantors string sign
What is kantors string sign?
Strictures in Crohn’s
Crypt abscesses, pseudopolyps, depletion of goblet cells are seen in?
UC
Motion sickness treatment?
Hyoscine
Cyclizine
Promethazine
What coronary artery supplies the AVN?
RCA
What is the mode of action of spironolactone?
Collecting ducts
Cisplatin can cause renal dysfunction via?
ATN from direct nephrotoxicity
Very low CSF glucose in meningitis with viral signs?
mumps
Treatment of pulmonary HTN with response to vasodilators (IV nitric oxide)?
CCB- nifidipine
What causes Graves Disease?
igG antibodies to TSH receptors
SBP diagnosis?
Neutrophils in fluid >250
Bergers disease is?
IgA nephropathy seen as visible haematuria following URTI and hypertension
Bergers disease poor prognosis>
HTN
Right sided murmurs loudest on?
Inspiration
Immune cells bind to which part of antibodies?
Fc region
Multiple cysts in the liver with travel to India?
Hydatid cysts
What causes hydatid cysts?
Echinococcus granulosus
Management of hydatid cysts?
Surgery ensuring not to rupture
Alcohol binge causes polyuria by?
ADH inhibition
Non caseating granulomas are seen in?
Crohn’s not UC
Avoid donepezil in?
Bradycardia
How to remember sensory of hand?
L hand make a 6
Thumb first finger C6
then middle C7
Ring and little C8
Plt transfusion carries higher risk of?
Bacterial infection
How does pellagra present?
Dermatitis
Diarrhoea
Dementia
What is pellegra?
Niacin deficiency
What is porphyria cutanea tarda?
Photosensitive rash
Blistering and skin fragility
Face and dorsum of hands
Meningitis with parkinsonian signs?
Japanese encephalitis
Cause of upbeat nystagmus?
Cerebellar vermis lesions
Cause of downbeat nystagmus?
Arnold-Chiari malformation
Phenytoin can cause?
Gynaecomastia
P450 inducers:
Smoking
Phenytoin
Carbamazepine
Rifampicin
St Johns Wort
Chronic alcohol
P450 inhibitors:
Ciprofloxacin
Erythromycin
Isoniazid
Amiodarone
-Azoles
SSRIs
Sodium valproate
What causes a +ve cyanide-nitroprusside test?
Cystinuria
What is cystinuria?
AR recurrent renal stones due to COLA defect
Live vaccines how long apart?
4 weeks
Subacute thyroiditis seen as?
Tender goitre
Hyperthroidism
Raised ESR
Reduced uptake techneticum scan
Essential tremor inhertiance?
AD
What can worsen absence seizures?
Carbemazepine
ethosuximide in breast feeding?
Avoid due to sedation
Lamotrigine and breast feeding?
Safe
A wave of JVP
Atrial contraction
Absent A wave in JVP?
AF
C wave of JVP?
Closure of tricuspid valve
V wave in JVP?
Passive filling of blood in atrium against closed tricuspid valve
x descent JVP?
Ventricular systole
Y descent?
Opening of tricuspid valve
Which BRCA gene is associated with prostate cancer?
BRCA2
SGLT-2 inhibitor’s example?
Goes Loo toilet
Empagliflozin
Glucose excretion
DDP4-i example?
P looks like a lip
Linagliptin
T2DM management?
Metformin or MR
+ SGLT2-inhibitor (CVD, QRISK >10)
+ DDP-4 inhibitor
+ SU/ Pioglitazone
- GLP-1 mimetic BMI >35 or insulin
Avoid what medications in HOCM?
Ramipril
Electrolyte disturbance in QTC prolongation?
Hypocalcaemia
Inferior MI can lead to?
AV block
What does insulin bind to?
Tyrosine kinase receptor in cell membrane
Mechanism of action of digoxin?
Inhibits Na/K ATPase pump
Gliclazide is a?
SU
Gliclazide a SU causes?
Weight gain
Hypoglycaemia
HypoNa
SGLT2 inhibitors e.g., gliflozins SE?
Euglycaemic ketosacidosis
UTIs
Forniers gangrene
Congenital toxoplasmosis is seen as?
Cerebral calcifications
Chorioretinitis
Bupropion for smoking cessation can cause GTCS by what mechanism?
Inhibition of norepinephrine-dopamine reuptake and antagonism of nicotinic ACh receptors
Winging of scapula in muscular dystrophy?
Facioscapulohumeral muscular dystrophy
Facioscapulohumeral muscular dystrophy inheritance?
AD
Diffuse systemic sclerosis most specific antibody?
Anti Scl-70
Antibodies for Idiopathic membranous glomerulonephritis?
anti-phospholipase A2 antibodies
History of anaphylaxis test?
RAST
Non arteritic anterior ischaemic optic neuropathy (NAION) seen as?
Swollen pale disc and blurred margins
Acyclovir mode of action?
Inhibits DNA polymerase
Test for Zollinger-Ellison syndrome?
Secretin stimulation test- causing increase in gastrin
What is valency?
Number of distinct serotypes a vaccine can protect against
When do you give ciprofloxacin prophylaxis for SBP?
Ascites protein < or equal 15
Porphyria Cutanea Tarda cause?
Uroporphyrinogen decarboxylase deficiency
Acute intermittent porphyria cause?
Porphobilinogen deaminase
What complications of haemochromatosis are reversible with treatment?
Cardiomyopathy and skin pigmentation
Hypertensive retinopathy stages 1-4?
1- narrowing
2- AV nipping
3- cotton-wool spots, haemorrhages
4- papilledema
Chemotherapy leading to hypoMg?
Cisplatin
DVLA advice post multiple TIAs?
No driving 3 months
Double duct sign?
Pancreatic head carcinoma
Treatment of visceral lesishmaniasis?
Sodium stibugluconate
Loud S2
Pulmonary HTN
Carcinoid test for diagnosis?
Urinary 5-HIAA
Where is the medial longitudinal fasciculus (affected in internuclear ophthalmoplegia)?
Paramedian area of midbrain and pons
Bisferiens pulse AKA double pulse seen in?
Mixed aortic valve disease, HOCM
Osteogenesis imperfecta is a abnormally synthesized collagen of which type?
1
Passing emboli with DVT to stroke heart defect?
ASD- most commonly patent foramen ovale
Temporal lobes contain the?
Wernickes area
Oxygen dissociation curve shift?
shifts Left - Lower oxygen delivery - Lower acidity, temp, 2-3 DPG - also HbF, carboxy/methaemoglobin
shifts Right - Raised oxygen delivery - Raised acidity, temp, 2-3 DPG
How to calculate NNT?
1-ARR
People with allergy to aspirin may react to which DMARD?
Sulfasalazine
Smoking in UC?
Protective
Treatment of methanol poisoning?
Fomepizole
Action of fomepizole (tx methanol poisoning)?
Competitive inhibition of alcohol dehydrogenase
Next step if angina not controlled by BB?
+ Amlodipine
Short PR interval?
Wolff-Parkinson White syndrome
Causes of prolonged PR interval?
IHD
Digoxin toxicity
HypoK
Rheumatic fever
Aortic root abscess
Lyme disease
Sarcoidosis
Myotonic dystrophy
Neisseria meningitides gram stain?
Gram negative cocci
MODY treatment?
SU
Gliclazide
Most common adult viral meningitis?
Cocksakie virus B
Brittle asthma with brown sputum and high eosinophils think?
Allergic bronchopulmonary aspergillosis
Drug induced cholestasis?
COCP
Prominent V waves on JVP?
Tricuspid regurgitation
What does the golgi add to proteins for trafficking to lysosomes?
Mannose-6-phosphate
G1 phase determines?
Cell length associated with p53
Histology of IgA nephropathy?
Mesangial hypercellularity
IgA
C3
SGLT2 works in the?
PCT
SU acts on the?
beta cells
Action of Anastrozole?
Aromatase inhibitor
Lofepramine is a?
TCA
Normovolaemic hypoNa drug causes?
TCA
Carbmazepine
SU
SSRIs
Thin blood film determines?
Speciation
Thick blood film determines?
parasite burden
What is a leukaemoid reaction?
Immature cells due to severe infection/ haemolysis/ haemorrhage
Dohle bodies in white cells?
Leukaemoid reaction
High Leukocyte ALP score
What is Lofgren’s syndrome?
Acute sarcoidosis:
- Erythema nodosum
- Bilateral hilar lymphadenopathy
- Polyarteritis
Treatment of pulmonary HTN?
+ve response vasodilators = CCB
-ve result to vasodilators =
iloprost
Sildenafil
How does NAC work?
Replenishes glutathione
Immunoglobulins in autoimmune hepatitis?
IgG
What is whipples disease?
tropheryma whipplei infection
PAS staining granules seen in?
Whipples disease
Pneumonia with cold sores?
Strep pnuemonia
Sickle cell long term crisis prevention?
Hydroxycarbamide
Acoustic neuromas seen as?
Dizziness
Hearing loss
Loss of corneal reflex as compresses trigeminal nerve
Medication induced tinnitus?
Quinine
Haloperidol blocks?
D2 antagonist
Cause of Erysipelas?
Strep pyogens
SLE complement low?
C4
Cant take triptans with?
SSRI due to increased risk of serotonin syndrome
QT interval and calcium?
Hyper - shorts
Hypo- prolongs
Ehlers-Danlos collagen affected?
Collagen type 3
Driving post ICD insertion?
1 week
Ann Arbour staging?
I- single LN region
II- 2+ regions on same side
III- nodes on both sides
IV- beyond lymph nodes
HIV and nephrotic syndrome?
FSGS
Poor shoulder external rotation?
Adhesive capsulitis
Bullous pemphegoid biopsy?
IgG and C3 at dermoepidermal junction
Strep sanguini/mitis IE check up?
Dental review
Strep gallotyticus IE cause?
Bovis
colorectal cancer
Reactive arthritis organism?
No organism in fluid
Chlamydia
Eczema herpeticum infection cause?
HSV 1 +2
IE <2 months post replacement?
Staph epidermidis
Most common cause of IE?
Staph aureus
Renin in renal artery stenosis and Conns?
Conns LOW
RAS HIGH
In MI due to cocaine also give?
IV lorazepam
Action of bisphosphonates?
Inhibits osteoclasts
Secretin is secreted from?
S cells in small intestine
Test for HIV when query of seroconversion illness?
p24 antigen test
Myoclonic seizures treatment in males?
Sodium valproate
Monoclonal antibody used to prevent recurrence of C. diff in high risk?
Bezlotoxumab
What is miller-Fisher variant?
GBS variant affecting CN first, often eyesight, and preceded by infection
Conversion disorder is?
FND loss of motor or sensory function
Thiazides act at the?
Proximal DCT
Damage to what area causes hemiballismus?
Subthalamic nucleus
Causes of pseudogout?
Haemachromatosis
Low Mg
Low PO42-
Acromegaly
Hyperparathyroidism
Early RA finding on x-ray?
Juxta-articular osteoporosis
What is the power of a study?
1 - the probability of a type II error (correctly rejecting the null hypothesis)
Causes of tunnel vision?
papilloedema
glaucoma
retinitis pigmentosa
choroidoretinitis
optic atrophy secondary to tabes dorsalis
Pleural effussion caused by hypothyroidism?
Transudative
Cherry red lung lesion?
carcinoid
First line for secretions in palliative care?
Hyoscine butlbromide
Typhoid rash?
Rose spots, salmon macules on trunk and abdomen
Typhoid fever can cause HR to?
Relative bradycardia
HIV and breastfeeding?
NO
Anti-RNP?
Mixed connective tissue disease
What activates macrophages?
Interferon-y
Most common SLE renal disease?
Diffuse proliferative glomerulonephritis
Restless leg syndrome blood test?
ferritin
Hunger controlled by which brain region?
Ventromedial area of hypothalamus
What is Fanconi syndrome?
Reabsorptive defect in PCT with excretion of amino acids, glucose, bicarbonate + phosphate
Haemophilia A inheritance?
X linked recessive
In X linked recessive conditions who cant transmit?
Male to male
What complement deficiency predisposes you to Neisseria meningitidis infection?
C5-9 deficiency
What is phase 1 drug metabolism?
Oxidation
Reduction
Hydrolysis
What is phase 2 drug metabolism?
Conjugation
What is cardiac syndrome X?
Microvascular angina with down sloping ST depression
Coeliac HLA?
HLA- DQ2
Causes of raised TLCO?
Asthma
Pulmonary haemorrhage
L-R cardiac shunts
Polycythaemia
Causes of lower TLCO?
Fibrosis
Pneumonia
PE
Oedema
Emphysema
Anaemia
Low cardiac output
What is KCO?
Transfer coefficient (corrected for lung volume)
Reduced TLCO but increased KCO?
Pneumonectomy
Scoliosis
NM weakness
Ankylosing spondylitis
Loud S2?
Hypertension
Soft S2?
AS
Fixed split S2?
ASD
Reversed split S2?
LBBB, severe AS
Skewed distributions?
Mean - Median - Mode
Uric acid stones are?
Radiolucent
IBS treatment?
Antispasmodic + laxative (not lactulose), loperamide
+ linaclotide laxative
+ amitriptyline
Test to look for mutations?
PCR
Cause of acute epiglottitis?
Haemophilus influenzae type B
Hereditary spherocytosis test?
EMA binding test
Most important HLA matching in renal transplant?
DR
Match for HLA for long term graft survival?
A
Primary hyperparathyroidism?
High or normal PTH
Hypercalcaemia
Secondary hyperparathyroidism?
High PTH in response to hypocalcaemia
Secondary to Vit D deficiency or renal failure
Tertiary hyperparathyroidism?
Prolonged secondary with high PTH and normal calcium
Management of drug induced parkinsons if medication cant be stopped?
Benzhexol/ trihexyphenidyl
Most common organism in bronchiectasis?
Haemophilus influenzae
Following bells palsy patients may complain of?
Hyperacusis (sensitivity to sound due to facial nerve innervating stapedius)
Does coal dust lead to lung cancer?
NO
SE of magnesium sulphate?
Respiratory depression
Reflexes
Oxygen saturations
Reversal of Mg sulphate respiratory depression?
Calcium gluconate
Normal pO2 but decreased oxygen saturations?
Methaemoglobinaemia
Mutation in p53 gene name?
Li-fraumeni syndrome
Inheritance of Li-Fraumeni syndrome?
AD
Cancers of Li-Fraumeni syndrome (p53 mutation)?
Breast cancer
Sarcoma
Leukaemia
Poor repetition aphasia?
Conduction dysphasia
What is expressive dysphagia?
Non fluent and halting
What is receptive dysphasia?
Fluid but incomprehensible
Hereditary spherocytosis crisis management?
IVF and high dose folic acid
Transfusion if symptomatic of anaemia
Tumour lysis syndrome treatment?
Rasburicase and IVF
Warm haemolytic anaemia can be caused by?
Non Hodgkin’s lymphoma
CLL
Psoriasis treatment?
Emollient
Topical steroid
Topical calcipotriol
PBC Ig raised?
IgM
Driving following unprovoked seizure with normal imaging?
6 months
Driving advice after seizure with imaging changes?
12 months
VSD murmur?
Holosytolic, harsh murmur
PDA murmur?
Continuous machinery murmur
Collapsing pulse?
MR
PDA
Digoxin toxicity ECG changes?
ST depression
Short QT
Inverted T
Prolonged PR
Hypokalaemia ECG?
Prolonged PR
Long QT
ST depression
U waves
Action of flecanide?
Blocks Na channels prolonging rapid depolarisation (phase 0)
How does amiodarone work?
Blocks voltage gated K channels, delaying repolarisation
Ablation for AF location?
Between pulmonary veins and L atrium
Ablation for atrial flutter location?
Cavotricuspid isthmus
Broad complex tachycardia ms?
> 120ms
Inherited causes of TdP?
Romano-Ward and Jervell
Lange- Nielson syndrome
Acquired causes of TdP?
TIMES
Toxins: clarithromycin, TCA, anti arrythmics, anti psychotics, SSRIs
Ischaemia
Myocarditis
Electrolytes: hypo K, Mg, Ca
SAH
Congenital TdP prevention?
BB
ECG osbourne waves?
Hypothermia
How to control BP in dissection?
IV metoprolol
What is Heydes syndrome?
Complication of AS with depletion of VWF-2a causing GI bleed and angiodysplasia with ID
Severe AS classification:
Peak gradient >40
Valve area <1
Jet velocity >4
Clinical absent S2
Medical management of HF?
ACEi + BB
When is surgical intervention needed for AS?
Symptomatic
LVEF <50
LVEF >50 but fall in BP on exercise testing
Severe pulmonary HTN >60
LVH on ECG?
P Mitrale
Mitral stenosis of hoarseness due to compression of recurent laryngeal nerve?
Ortner’s syndrome
What is Ebsteins anomaly?
R sided HF in young due to structurally abnormal tricuspid valve (TR)
Cause of rheumatic fever?
Group A beta haemolytic strep (scarlet fever)
Signs of rheumatic fever?
Arthritis
Sydenhams chorea
Erythema marginatum
SC nodules
Treatment of rheumatic fever?
STAT Benzylpenicillin
10 days phenoxymethylpenicillin
Most common valve problem in rheumatic fever?
MS
Becks triad and what for?
Cardiac tamponade
Hypotension
Quiet heart sounds
Raised JVP
Pulsus paradoxus?
Cardiac tamponade
Takotsubo cardiomyopathy?
Stress induced transient apical ballooning
ST elevation with trop rise but normal angiogram
ARVC?
AD fatty fibrous replacement of myocardium showing hypokinetic segment on R ventricle
Dilated cardiomyopathy HF?
HFrEF
Causes of dilated cardiomyopathy?
Toxins
Cocksakie B
Haemochromatosis
Amyloidosis
Sarcoidosis
Wet beri beri (thiamine def)
What causes hypertrophic cardiomyopathy?
AD mutation in sarcomeres leading to LVH
Diagnostic ECHO findings of hypertrophic cardiomyopathy?
MR SAM ASH
Mitral regurgitation
Systolic anterior motion of MV leaflets
Asymmetrical septal hypertrophy
Treatment of hypertrophic cardiomyopathy?
BB
Most common cause of ASD?
patent foramen ovale
EF for rEF?
<40%
Normal EF?
50-70%
Mortality benefit in HF?
BB
ACEi
Spironolactone
Hydralazine
HF medical management:
ACE-i (or ARB) + BB (or hydralazine) start one at a time
Symptoms persisting:
+ Spironolactone (eplerenone)
+ Ivabradine, digoxin, hydralazine
Angina treatment?
BB or verapamil
BB + amlodipine/ MR nifedipine
Or long acting nitrate, Ivabradine, Nicorandil
Secondary prevention: Statin 80, aspirin 75
Persistent ST elevation?
Left ventricular aneurysm
Management of Dresselers syndrome?
High dose aspirin
How is a cholesterol emboli seen?
Renal failure
Eosinophilia
Livedo rectularis
After cardiac catherization commonly
What is wellen syndrome?
Deeply inverted or biphasic T waves in V2-3 showing LAD stenosis
Incomplete BBB?
QRS 110-120ms
Most specific for pericarditis?
PR depression
P pulmonale is?
R atrial enlargement
Pulmonary HTN diagnosis?
R heart catherization with Mean PAP >25
What is brugada syndrome?
AD Na channelopathy seen with coved ST elevation of >2mm in >1 V1-3 followed by T wave inversion
Treatment of brugada syndrome?
ICD
Mechanism of action of digoxin?
Na/K ATPase inhibitor
Parasympathetic to SAN
(positively inotropic, negatives chronotropic)
ECG changes in digoxin toxicity?
Reverse Tick sign
Down sloping ST depression
Location of cardiac myxoma?
L atrium
Methadone overdose can cause cardiac arrest by?
QT prolongation
Action of loop diuretics (furosemide, bumetanide)?
Ascending loop and Henle
Avoid which medications in HOCM?
ACEi
Brugada mutation gene?
SCN5A gene
Prinzmetal angina management?
CCB felodipine
Egg on a string heart appearance?
Transposition of the great arteries
What causes transposition of the great arteries?
Failure of the aorticopulmonary septum to spiral
What is the mechanism of action of dipyridamole?
Phosphodiesterase inhibitor decreasing cellular uptake of adenosine
Antithrombotic to be started in bioprostehtic heart valves?
Aspirin
Antithrombotics to be started in mechanical heart valves?
Warfarin + aspirin
Poor prognosis in HOCM?
Septal wall thickness >3cm
Predicting response to cardiac resynchronisation therapy?
ECG - LBBB
TTE
Inherited long QTc and sensorineural deafness?
Jervell and Lange-Nielsen syndrome
Strongest risk factor for IE?
Previous IE
What is the mode of action of nicorandil?
K channel activator
After electrical cardioversion for AF how long should anticoag be continued for?
4 weeks
PET scans use?
Fluorodeoxyglucose
Check U+E before starting amiodarone to detect?
HypoK
ACEi cough due to increased?
Bradykinin
Valsalval maneourve causes?
reduced venous return
Good prognosis in IE?
Strep viridans
Why does long QT syndrome occur?
Blockage of K channels
Streptococcus viridans abx?
IV benpen
Treatment of prolactinoma?
- Cabergoline
(bromocriptine if pregnant) - If medical management fails = surgery
Cushing disease is a?
Pituitary adenoma
Diagnosis of cushings disease?
High dose dexamethasone suppression test
Diagnosis of cushings syndrome?
Low dose dexamethasone suppression test
Is cushing syndromes cortisol suppressed by low dose dexamethasone suppression test?
No
Cortisol and ACTH following high dose dexamethasone suppression test?
Cushing disease: low cortisol, low ACTH
Ectopic ACTH: high cortisol, high ACTH
Cushing syndrome: high cortisone, low ACTH
If surgery not an option for Cushing’s disease give?
Metyrapone
Screening for acromegaly?
IGF-1
Diagnosis of acromegaly?
OGTT
FU for acromegaly?
Colonoscopy
ECHO
Action of ADH?
upregulating aquaporin-2 channels to collecting ducts concentrating urine
Causes of SIADH?
- Pituitary adenoma
- SCLC production
- Meningitis, CNS tumours, intracranial haemorrhage
- SSRIs, tricyclics, carbamazepine
Emergency management of hypoNa?
150ml 3% NaCl bolus
SIADH managemet?
Correct cause
FR 750ml
If ineffective domeclocycline
Diabetes insipidius AKA arginine vasopressin disorder is?
Too little ADH
Diagnosis of Diabetes insipidus (arginine vasopressin disorder)?
Fluid deprivation test 8h
Synthetic ADH (desmopressin)
Adrenal hormones layers:
G Aldosterone
F Cortisol
R Androgens
Medulla adrenaline/ nor
Antibodies associated with Addisons?
adrenal cortex antibodies
21-hydroxylase antibodies
Diagnosis of addisons?
Short Synacthen test
Action of aldosterone?
Na reabsorption
K and H secretion
At DCT
Radioidone number?
I-131
Who cant have radioiodine?
Pregnant or breast feeding
Worsens thyroid eye disease
How long to wait to conceive after radioiodine?
Women 6 months
Man 4 months
Management of thyrotoxic storm?
Propylthiouracil
Propranolol
Steroids
Prednisolone
Cooling
Affect of amiodarone on thyroid?
Mostly hypothyroidism (AIH) via Wolff-Chiakoff effect
Can cause AIT thyrotoxicosis- stop
AIT type 1?
Goitre treat with carbimazole
AIT Type 2
Corticosteroids
Antibodies in hashimotos thyroiditis?
Anti TPO
Anti Thyroglobulin
Anti TSH receptor
What is De Quervains thyroiditis?
Self limiting painful goitre after URTI
Papillary adenocarcinoma of thyroid?
Thyroglobulin tumour maker
Orphan annie nuclei
Psommoma bodies
Follicular adenocarcinoma of thyroid?
Thyroglobulin tumour marker
Hurthle cell change (follic hurt)
Poor prognosis thyroid cancer?
Anaplastic/ undifferentiated
Medullary carcinoma of thyroid?
CEA and calcitonin markers
Electron dense granules
Rickets sign?
Cupping and splaying of metaphyses
Rosary sign
What is Phaeochromocytoma?
Adrenal medulla tumour (chromaffin cells) secreting catecholamines
3 genetic conditions linked to phaeochromocytoma?
MEN 2
NF 1
Von Hippel Lindau
Test for phaeochromocytoma?
24 hr urinary collection of metanephrines
Management of phaeochromocytoma?
Alpha blockade- phenoxybenzamine
Then propranolol
MEN 1:
3 P’s
Pituitary adenoma
Parathyroid hyperplasia
Pancreas
MEN1 gene AD
MEN 2a:
Parathyroid hyperplasia
Medullary carcinoma
Phaeochromocytoma
RET gene AD
MEN 2b:
Medullary carcinoma
Phaeochromocytoma
Mucosal neuromas
Marfanoid
RET gene AD
Which cancer can cause hyperparathyroidism?
Sqaumous cell lung ca with PTHrP
Which hormones can sqaumous cell lung cancer secrete?
PTHrP
b-HCG
Which lung cancer can cause SIADH and cushings?
Small cell lung cancer
MODY 3 mutation?
HNF1A
MODY 3 BM and management?
HIGH BM
SU
MODY 2 management?
Diet
Contraindications to metformin?
eGFR <30
Serum creat >150
Pioglitazone SE?
Water retention- not in HF
Bladder cancer
HHS definition?
BM 30+
Without ketones <3 or acidosis pH >7.3/bicarb >15
Osmolality 320+
How do you calculate osmolality?
2Na + glucose + urea
Response to HHS treatment?
Decrease in BM 5 an hour if not sliding scale
When does glucagon not work?
Starved/ cachectic
Alcohol
What are porphyrias?
Enzyme deficiencies in the haem synthesis pathway
Complication of porphyrias?
HCC
3 types of porphyria?
AIP- acute intermittent AD
PCT- Porphyria cutanea tarda
Variegate AD
Defect in AIP- acute intermittent porphyria?
Porphobilinogen deaminase
Urine red in light
PCT- porphyria cutanea tarda seen as?
pink urine under woods lamp
Photosensitive blistering rash
Defect in PCT, porphyria cutanea tarda?
Uroporphyrinogen decarboxylase
Variegate porphyria presentation?
Blistering photosensitive rash with abdo/ neuro involvement
Defect in variegate porpohyria?
Protoporphyrinogen oxidase
PCOS blood tests?
LH:FSH ratio >2
Normal FSH
SHBG low
Cause of impaired fasting glucose?
Hepatic insulin resistance
Causes of raised prolactin?
p’s:
pregnancy
prolactinoma
PCOS
primary hypothyroidism
phenothiazines, metoclopramide, domperidone
Small bilateral groin swellings?
Complete androgen insensitivity syndrome
Klienfelters gonadotrophin levels?
High
Secondary causes of hypercholesterolaemia not triglycerides?
Nephrotic syndrome
Cholestasis
Hypothyroidism
Fluid retention with pioglitazone increased if taken with?
Insulin
9am cortisol between 100-500nmol/l?
inconclusive and requires short synacthen test
What is Bartter’s syndrome?
defective NKCC2 channel in the ascending loop of Henle
What can reduce the absoprtion of levothyroxine?
Iron or calcium within 4 hours
Hashimotos thyroiditis is linked to what cancer?
Lymphoma
Testosterone low?
Kallman syndrome
What is the most common cause of primary hyperaldoesteronsim?
Bilateral idiopathic adrenal hyperplasia
HLA antigens are on chromosome?
6
Latex in what fruit?
Banana
Hypopigmented lesions with reduced sensation?
Leprosy
Antibody associated with breast Ca and ocular opsoclonus-myoclonus?
Anti-Ri
What is the only licenced CCB in HTN?
Amlodipine
Chlamydia treatment in pregnancy?
Erythromycin, azithromycin
Bacterial vaginosis is caused by?
Gardnerella vaginalis
Mechanism of action of cyclizine?
H1 receptor antagonist
Mechanism of action of metoclopramide, domperidone/
D2 receptor antagonist
Small intestine overgrowth test?
Hydrogen breath test
Treatment for SI overgrowth?
Rifaximin
Increased risk of C. diff if taking?
PPI
Cholera gram stain?
Gram neg common shaped, single flagellum
Complications of coeliac disease?
Hypothyroidism
Malabsoprtion
Osteoporosis
Enteropathy associated T cell lymphoma (NHL)
Whipples disease treatment?
2w IV ceftriaxone then 12-24 months Po co-trimoxazole
Docusate sodium?
Stool softener
Lactulose and macrogol?
Osmotic
Senn, bisacodyl, sodium picosulfate?
Stimulant
What is Plummer-Vinson syndrome?
Dysphagia with IDA due to upper esophageal web
Investigation for achalasia?
Manometry (failure of lower sphincter to relax)
Achalasia barium swallow?
Birds beak
Why no OGD in pharyngeal pouch?
Risk of perforation
Baretts can progress to?
oesophageal adenocarcinoma (colomnar epithelium)
Low grade Barrets?
PPI review 6 months
High grade Barrets?
Ablation
Triple therapy for H. pylori?
PPI
Clarithromycin
Amoxicillin (metro in pen allergy)
H. pylori more increased risk of?
Duodenal ulcers
What is Zollinger-Ellison syndrome?
Gastrinoma releasing excess gastrin
Investigation for Zollinger-Ellison syndrome?
Secretin stimulation test
Investigation for gastroparesis?
solid meal gastric scintigraphy
4 Stages of hepatic encephalopathy?
1- Altered mood and behaviour
2- Drowsiness, confusion, personality change
3- Incoherency, asterixis
4- Coma
Indications for liver transplant in paracetamol overdose?
pH <7.2 24h post ingestion
PT >100 + creat >300 + grade 3/4 encephalopathy
Indications for liver transplant not due to paracetamol overdose?
PT >100
Any 3 of:
- drug induced liver failure
- age <10 or >40
- 1 week from jaundice to encephalopathy
- Bili 300+
Dose over what for paracetamol overdose?
150mg/kg
NAC guidelines?
<1h = charcoal
4 hour level and nomogram
8-24 NAC immediately
>24h jaundices/RUQ pain, high ALT, INR >1.3, paracetamol detectable NAC immediately
Type 1 autoimmune hepatitis?
Anti-SMA
ANA
Type 2 autoimmune hepatitis?
Anti liver/ kidney microsomal antibodies type 1
Type 3 autoimmune hepatitis?
Anti soluble liver-kidney antigen
Anti-HBs positive all others negative?
Previous immunisation
Anti-HBc positive, HBsAg negative?
Previous infection, not a carrier
Anti-HBc positive, HbsAg positive?
Previous hep B now a carrier
What type of virus is Hep A?
RNA piconavirus
Transmission of Hep A?
Facecal-oral
What type of virus is Hep B?
dsDNA virus
Transmission of Hep B?
Bodily fluids
Vertical
IgM in hepatitis?
Acute
IgG in hepatitis?
Chronic
What type of virus is Hepatitis C?
RNA virus- flaviviridae
Complications of Hep C?
Cirrhosis
HCC
PCT
How is Hep C trasmitted?
Bodily fluids
Investigation for Budd-Chiari syndrome?
Doppler USS
Thiamine is vitamin?
B1
Indications for TIPPS?
- Secondary prophylaxis for oesophageal varices bleeding
- Refractory ascites
- Portal HTN in Budd-Chiari syndrome
Drugs causing cholestasis?
Steroids
Co-amoxiclav
Flucloxacillin
Nitrofurantoin
Two disorders of conjugation?
Gilberts
Crigler-Narjar
Gilbert syndrome seen as?
Intermittent jaundice at times of stress not needing treatment
Gilbert syndrome if a deficiency of and mutation?
Gluconyltranferase enzyme
UGT1A1
Crigler-Naajar seen as?
Pre hepatic jaundice needing liver transplant
Crigler-Naajar defeciency?
Diphosphate glucuorsyltransferase
Mutation in Wilsons?
ATP7B on Chr 13
Diagnosis of wilsons disease?
Genetic analysis of ATP7B gene
Bloods in wilsons disease?
Low serum caeruloplasmin
Free copper increased
Reduced total serum copper
Management of wilsons?
Penicillamine (or trientine hydrochloride)
Haemachromatosis investigation?
Transferrin saturation High
ferritin
Low TIBC
Mutations in haemachromatosis?
H63D
CD82Y
Treatment of haemachromatosis?
Venesection
T sat <50
Ferritin <50
Second line desferrioxamine
Primary biliary cirrhosis is?
Autoimmune scarring and stricture of intrahepatic ducts linked to HCC
Primary sclerosing cholangitis is?
Autoimmune scarring and stricture of intra and extra hepatic ducts linked to UC
Signs of PSC on biopsy and imaging?
Beaded sign
Onion skin histology
Complications of PSC?
Cholangiocarcinoma
Colorectal cancer
Modified Glasgow Score for pancreatitis?
PaO2
Age >55
Neutrophils >15
Calcium <2
Renal function- Urea >16
Enzymes LDH >600
Albumin <32
Sugar >10
Pancreatitis is associated with calcium being?
Low
Alpha-1 anti trypsin deficiency mutation?
SERPINA1 gene- PIZZ most severe
What happens in alpha-1 antityrpsin?
Reduced protection agaisnt neutrophil elastase
Liver biopsy of alpha-1 anti trypsin?
Periodic acid schiff positive globules
Smoking is protective in?
UC
Truelove and Witts criteria of UC?
- Bowel movements a day: 4-6 moderate, 6+ severe
- Blood in stools: small mild, severe visible
- Pyrexia severe
- Pulse >90 severe
- Anaemia in severe
- Erythrocytes: moderate 30, severe >30
Pyoderma granenosum is seen as and associated with?
Ulcer with purple overhanging edge
IBD
What is Hairy leucoplakia?
benign condition caused by EBV and suggestive of underlying HIV infection.
Familial adenomatous polyposis gene?
APC - AD
FAP is treated prophylactically with?
Proctocolectomy
What is gardeners syndrome?
Variant of FAP with epidermal cysts, supernummery teeth, osteomas and thyroid tumours
Genetics of Lynch syndrome (HNPCC)?
AD mismatch repair genes mutation
Mode of action of SU gliclazide?
binds to ATP dependant K channels on beta cells
In pregnancy what thyroid associated protein increases?
thyroid binding globulin
Hormones in Klienfelters syndrome?
high LH and low testosterone
Elderly person with Diarrhoea + hypokalaemia
villous adenoma
Gastrin acts on?
Gastric parietal cells
PBC increased risk of HCC?
20 fold
What electrolyte in refeeding syndrome causes muscular weakness?
HypoPhosphataemia
Most gastrinomas are found in the?
first part of the duodenum
Bile acid malabsorption following IBD resection?
cholestyramine
Hypoglycaemia and jaundice in pregnancy?
Acute fatty liver of pregnancy
Lynch syndrome increases the risk of what 2 cancers?
Colorectal
Endometrial
Primary biliary cholangitis - the M rule?
IgM
anti-Mitochondrial antibodies, M2 subtype
Middle aged females
What affects the Urea breath test?
Abx 4 weeks
PPIs 2 weeks
Goblet cell depletion?
UC
cholangitis investigation?
USS
Hepatorenal syndrome type 1?
Rapid onset <2 weeks can be triggered by UGIB
Hepatorenal syndrome type 2?
Gradual onset associated with refractory ascites
CCK (bile acids) are secreted from?
I cells in upper small intestine
Clindamycin SE?
Diarrhoea, high risk for C. diff
Liver cirrhosis biopsy shows?
excess collagen and extracellular matrix deposition leading to formation of regenerative nodules
Liver biopsy of alcoholic steatohepatitis?
Macrovesicular fatty changes with giant mitochondria, spotty necrosis and fibrosis
What is a VIPoma?
neuroendocrine tumour from the non-beta islet cells of the pancreas secreting vasoactive intestinal peptide
Drugs causing dyspepsia?
Steroids
NSAIDs
Bisphosphonates
- relax LOS
calcium channel blockers
nitrates
theophyllines
What can cause decompensation in cirrhosis?
Constipation
Infection
Electrolyte imbalance
dehydration
Increased alcohol
UGIB
Vaccines in coeliacs disease?
Pneumococcal every 5 years due to hyposplenism
Yearly influenza
Non responders to Hep B vaccination should be tested for?
Coeliacs
Immunological subtypes and alcoholic liver disease?
IgA
Immunological subtypes and PBC?
IgM
Immunological subtypes and autoimmune hepatitis?
IgG
What is Dubin-Johnson syndrome?
Benign AR with defective conjugated hepatic bilirubin excretion
Defect in Dubin-Johnson syndrome?
cMOAT protein
Drugs that cause pancreatitis?
azathioprine
mesalazine
didanosine
bendroflumethiazide
furosemide
pentamidine
steroids
sodium valproate
What calcium can cause pancreatitis?
hypercalcaemia
What can Hyperchylomicronaemia cause?
Pancreatitis
Causes of pancreatitis?
Gallstones
Ethanol
Trauma
Steroids
Mumps (other viruses include Coxsackie B)
Autoimmune (e.g. polyarteritis nodosa), Ascaris infection
Scorpion venom
Hypertriglyceridaemia, Hyperchylomicronaemia, Hypercalcaemia, Hypothermia
ERCP
Drugs
SAAG >11?
Portal HTN
- Cirrhosis
- HF
- Budd-Chiari
SAAG <11?
Cancer
TB
Pancreatitis
Pruritic rash on the buttocks or soles?
Strongyloides stercoralis
Mode of action of oseltamivir?
Neuramindase inhibitor
Mode of action of acyclovir?
Inhibits DNA polymerase
Mode of action of remdesivir?
Inhbits RNA polymerase
Grey coating of tonsils?
Diphtheria
Cause of Diphtheria?
Corynebacterium diphtheriae
Bilateral perihilar shadowing in HIV?
Pneumocystis jirovecii
Management of Pneumocystis jirovecii with exertional sats drop?
Oral co-trimoxazole +/- steroids (if sats drop)
Fish tank granuloma?
Mycobacterium marinum
Parovirus B19 in pregnancy?
Risk of fetal hydrops- fetal transfusion
LTRI in cardiomyopathies and alcoholics, with upper lobar involvement?
Klebsiella
Tuberculoid leprosy seen by?
limited number of skin lesions, hypaesthesia and hair loss
Lepromatous leprosy seen by?
Widespread involvement skin nodules
Leonine facies (thickened forehead, loss of eyebrows and eyelashes).
Treatment of cutaneous larva migrans?
Thiabendazole
Treatment of leprosy?
Dapsone
Signs of CNS cryptococcal infection
HIV
Neuro symptoms
Lymphocytes
High opening pressure
High protein
Normal glucose
Investigation for CNS cryptococcal infection?
India ink staining
Clostridium is a?
Gram-positive rod
Treatment of latent syphilis?
benzathine penicillin IM
Black painless eschar seen in?
Anthrax
Treatment of anthrax?
ciprofloxacin
African sleeping sickness is?
trypanosomiasis (African sleeping sickness)
Lassa virus from?
Rats
Brucella diagnosis from unpastrurised milks?
Serology
Toxoplasmosis and immunocompetent?
Supportive treatment
Toxoplasmosis and immunocompromised?
Pyrimethamine + sulphadiazone
Chronic Hep C test?
anti-HCV antibody test
In syphilis regardless of treatment what stays positiev?
Treponema pallidum haemagglutination test (TPHA)
Yellow fever presentation?
Jaundice and UGIB
Tetanus is the inhibition of?
GABA
Kaposi’s sarcoma is caused by what virus?
HHV-8 (human herpes virus 8)
Action of Rifampicin
inhibits RNA synthesis
peripheral blood smear showing red blood cell agglutination which pneumonia causing bacteria, and erythema multiforme (target lesions)?
Mycoplasma pneumoniae
Mechanism of action of tetracyclines?
inhibit the 30S subunit of ribosomes
American trypanosomiasis?
Chagas disease/ cruzi
How is chagas disease presented?
Periorbital oedema
Dilated cardiomyopathy
Treatment of chagas disease?
Benzdazole
Egg proteins seen in which vaccine?
Yellow fever
Triad of Disseminated gonococcal infection?
Dermatitis
Migratory polyarthritis
Tenosynovitis
False negatives on tuberculin test occur due to?
immunodeficiency
e.g., HIV, lymphoma, sarcoidosis
Treat campylobacter with?
Clarithromycin
Shigella abx?
Ciprofloxacin
In HIV treatment Integrase inhibitors (‘gravirs’) have what mode of action?
blocks the enzyme that inserts the viral genome into the DNA of the host cell
EBV is associated with which 3 malignancies?
Burkitt’s lymphoma
Hodgkin’s lymphoma
nasopharyngeal carcinoma
Rickettsia ricketsii is?
Rocky Mountain Spotted Fever
Surgical third nerve palsy?
Pupil involved- posterior communicating artery aneurysm
How is conus medularis syndrome seen?
cauda equina with hyperreflexia
Charcot marie tooth syndrome seen as?
Sensory and motor neuropathy
Pes cavus
Muscle wasting
Thickening of nerves
Charcot marie tooth inheritance?
AD PMP22
Motor region in the?
Frontal lobe
Sensory area in the?
Parietal
Empty delta sign?
Intracranial venous thrombosis
What is the mode of action of mannitol?
Osmotic diuretic on PCT and loop of henle
How is cerebellar syndrome seen?
DANISH
Dysdiadochokinesia
Ataxia
Nystagmus (downbeat)
Intention tremor
Slurred speech
Hypotonia
How is Freidrichs ataxia seen?
Teens with upper and lower MN lesions, high arched palate, cerebellar signs
Hereditary spastic paraparesis seen as?
Lower limb spasticity and hyperreflexia
MND is due to?
misfolding of the TDP-43 protein
Duchennes and Becks dystrophy?
X linked recessive
Myotonic Dystrophy inheritance?
AD
Presentation of myotonic dystrophy?
frontal balding
early cataracts
percussion myotonia (difficult to release handshake)
dysarthria
first degree heart block
Antibodies associated with myasthenia gravis?
ACh-R antibodies, MuSK antibodies, LRP4 antibodies
Drugs exacerbating myasthenia gravis?
BB, lithium, penicillamine, gentamicin, quinolones, phenytoin
Management of myasthenia gravis?
pyridostigmine or neostigmine
Management of myasthenia crisis?
IV immunoglobulins and plasma exchange.
Intubation and ventilation if FVC 15ml/kg or less
Mechanism of action of baclofen
GABA analogue and selective agonists at GABA-b receptors, lipophilic
HSV-1 encephalitits?
temporal lobes
Anti-NMDA receptor encephalitis associated with?
Ovarian teratoma
Triad of wernickes encephalopathy?
ataxia, confusion and ocular abnormalities (gaze evoked upbeat nystagmus)
Acanthamoeba Meningitis is associated with?
Contact lens infection
In CSF high protein and low glucose both in?
Bacterial and TB
Ischaemic penumbra is the?
Area of ischaemia without necrosis in stroke
Patent foramen ovale test (Stroke and DVT)?
Bubble ECHO
Absent seizures?
Ethosuximide (unless pregnant/ breastfeeding)
Driving and epilepsy?
1 seizure 6 months
1+ 1 year
Professional 1 5 years
Professional 1+ 10 years
Miller fisher variant antibodies?
Anti-GQ1B antibodies
When to intubate in GBS?
FVC <20ml/kg
LP in GBS?
Isolated protein rise
Albumincytological dissociation
Foot drop is caused by?
Common perineal nerve injury
What is meralgia parethetica?
Compression of lateral cutaneous nerve seen with pains on outer aspect of thigh
Weakness following exercise/ fasting/ infection with myoglobinuria?
Carnitine plamitoyl transferase deficiency
Diagnosis of Carnitine plamitoyl transferase deficiency?
Muscle biopsy
Unexplained syncope and dribing?
No driving 6 months
Prophylaxis for cluster headaches?
Verapamil
Antibodies and mechanism of action in lambert eaton myasthenic syndrome?
Anti VGCC against calcium channels
Lambert eaton is associated with which cancer?
SCLC
Treatment of lambert eaton syndrome?
Amifampridine
What is Paraneoplastic Encephalomyelitis?
Autoimmune encephalitis linked to SCLC with labile emotions and memory impairment
What is MELAS?
Mitochondrial encephalopathy, lactic acidosis, stroke like episodes
Muscle biopsy of MELAS?
Ragged red fibres
What is Devics disease also called?
Neuromyelitis optica (NMO)
How is NMO seen?
Peripheral and central demyelination
- optic neuritis
- Transverse myelitits (weakness, paralysis, sensory disturbance)
- Aquaporin 4 antibodies
Causes of drug induced parkinsonism?
Haloperidol
Risperidone
Metoclopramide
Cause of parkinsons disease?
Lewy body formation- intracellular inclusions of misfolded alpha synuclein
Difference between lewy body dementia and parkinsons dementia?
Lewy body dementia- memory loss before or at the same time
Parkinsons disease dementia- years after motor symptoms
Cause of progressive supranuclear palsy?
Tau deposition, often atremulous
Cause of multi system atrophy?
Alpha synuclein deposition
How is corticobasal degeneration seen?
Apraxia and aphasia
Alein hand syndrome
Cause of corticobasal degeneration?
Intracellular tangles of misfolded tau proteins
Symptomatic control of reversible cerebral vasoconstriction syndrome?
Nimodipine
Medications leading to serotonin syndrome?
SSRIs, MDMA, ecstasy, MAOI, amphetamines, fentanyl, sumatriptan, ondansetron
Acute labyrinthitis?
Vertigo and hearing loss/ tinnitus
Vestibular neuritis?
Vertigo but hearing intact
Nutrition support in MND?
PEG
Conduction aphasia?
Cant repeat
Diplopia with parkinsonism?
Progressive supranuclear palsy
Ataxic telangiectasia: cerebellar ataxia and telangiectasia, onset is in childhood gene?
ATM gene
Query SAH but no signs on CT within 6 hours of onset of symptoms?
Consider other diagnosis
Bitemporal hemianopia- optic chiasm compression upper or lower?
Upper quadrant defect = inferior chiasmal compression, commonly a pituitary tumour
Lower quadrant defect > upper quadrant defect = superior chiasmal compression, commonly a craniopharyngioma
Haemochromatosis doesnt really affect the?
CNS
How is Juvenile myoclonic epilepsy seen?
seizures in the morning/following sleep deprivation
Ondansetron works of the chemoreceptor trigger zone in the?
Medulla oblongata
Sensory neuropathies include?
diabetes
uraemia
leprosy
alcoholism
vitamin B12 deficiency
amyloidosis
Causes of HTN in NF-1?
phaechromocytoma (check catelcholamines)
renal vascular stenosis secondary to fibromuscular dysplasia
Cluster headache acute management?
100% oxygen, SC sumatriptan
Side effect of Natalizumab?
reactivation of the JC virus causing progressive multifocal leukoencephalopathy (PML)
Tuberous sclerosis is seen with?
depigmented ‘ash-leaf’ spots
Shagreen patches
angiofibromas
subungual fibromata
cafe-au-lait spots
Risk of what in nephrotic syndrome?
VTE due to loss of antithrombin III
How is renal vein thrombosis seen?
Commonly with nephrotic syndrome
Loin pain
Haematuria
Treatment of renal vein thrombosis?
warfarin
What is beurgers disease?
IgA nephropathy
What is IgA nephropathy?
Nephritic syndrome 1-2 days after URTI
What is post strep glomerulonephritis?
1-3 weeks post strep nephritic syndrome
What kind of strep causes post strep glomerulonephritis?
Group A B haemolytic strep
Biopsy of post strep glomerulonephritis?
Subepithelial bumps
Tests high in post strep glomerulonephritis?
DNase
ASOT
What is good pastures syndrome?
Anti GBM with pulmonary haemorrhage and AKI
Biopsy of good pastures syndrome?
IgG standing on basement membranes
Necrotising crescents
How is alport syndrome seen?
X linked dominant condition with:
Hearing loss
Optic issues
Haematuria
What is the defect and biopsy findings of Alport syndrome?
Defect in collagen IV
Splitting of lamina densa and basket weave
cup and spill/ egg in a cup?
Renal papillary necrosis
What is acute interstitial nephritis?
Acute hypersensitivity reaction with rash, eosinophilia and fever
Common drug causes of AIN?
Allopurinol
Abx
NSAIDs
Diuretics
PPIs
Causes of membranoproliferative glomerulonephritis?
Hep C
Cryoglobulinaemia
Monoclonal gamminopathy
Biopsy finding of membranoproliferative glomerulonephritis?
Double contour basement membrane
Wergner’s (GPA) has?
cANCA
cANCA is?
PR3
Wergners is seen with?
Sinusitis, epistaxis, pulmonary haemorrhage
Churg strauss (EGPA) has?
pANCA
pANCA is?
MPO from monocytes
churg strauss is seen as?
Allergic asthma, nasal polyps, esoinophilia
Renal anaemia only expected with eGFR?
45
Hb target in CKD?
100-120
EPO only when?
Ferritin >100 (200 haemodialysis)
Tsat >20
Kimmelsteil-wilson nodules are seen in?
Diabetic nephropathy
Complication of long term dialysis leadign to CTS?
Beta 2 microglobulin amyloidosis
CMV activation post renal transplant time frame?
6 weeks
Treatment of CMV reactivation?
Gangcilovir
Acute rejection of kidney transplant?
Within 6 months T cell mediated
PKD1 chromosome?
16
PKD2 chromosome?
4
Treatment of PKD?
Tolvaptan
Apple green birefriegence on congo red stain?
Amyloidosis
Fusidic acid, clarithromycin, statins, colchicine increases risk of?
Rhabdomyolysis
Struvite stones assoicated with?
Staghorn calculus and proteus infection
Epithelial casts in urine?
ATN
fatty casts in urine?
Nephrotic syndrome
Bladder cancer associated with schistosomiasis and LTC >10 years?
SCC
RTA type 1?
Distal
Unable to excrete H+ DCT/CD
RTA type 2?
Proximal
Unable to reabsorb HCO3- in PCT
RTA type 4?
HyperKa
Low aldosterone
What can cause a false negative PSA (reducing it)?
Finasteride
What are intensely painful, purpuric patches with an area of black necrotic tissue seen on the legs in ESRD with poor attendance?
Calciphylaxis lesion
How do you differentiate from prerenal uraemia and ATN?
Urinary Na
High ATN
Low Prerenal uraemia
If starting goserelin co-prescribe what for the first 3w?
cyproterone acetate - risk of tumour flare
What is cyproterone acetate?
Anti-androgen treatment start at same time as goserelin
What drug in post renal transplant gives you a tremor?
Tacrolimus
Site of action of spironolactone?
cortical collecting ducts
Lithium causes which type of DI?
Nephrogenic
How do you calculate anion gap?
(Na+ + K+) - (Cl- + HCO-3)
What is a normal anion gap?
10-18
How long for arteriovenous fistula to develop so it can be used?
6-8 weeks
RAS investigation?
MR angiogram
Which renal disorder is associated with malignancy?
Membranous glomerulonephritis
Atypical HUS is?
HUS without diarrhoea/ abdo pain/ E. coli
Type 2 membranoproliferative glomerulonephritis is seen as?
Lipodystrophy with low C3
Biopsy of FSGS?
Podocyte proliferation and collapse of basement membrane
Treatment of epididymal orchitis?
IM ceftriaxone stat + oral doxycycline for 2 weeks
High phosphate in CKD due to?
Reduced excretion
Heroin use is linked to which renal disease?
focal segmental glomerulosclerosis
Granulomatosis with Polyangiitis (GPA) linked to which renal disease?
Rapidly progressive glomerulonephritis
Mechanism of action of Tolvaptan?
vasopressin receptor 2 antagonist
Mechanism of action of Bicalutamide for prostate Ca?
androgen receptor blocker
SLE linked to which renal disorder?
diffuse proliferative glomerulonephritis
Restrictive spirometry?
> 0.7
In MND, myasthenia, ILD
Obstructive spirometry?
<0.7
FEV1 reduced
Asthma, COPD
If ? asthma with eosinophilia worsened by steroids consider?
Strongyloides
Moderate acute asthma?
50-75%
Severe acute asthma?
33-50%
HR >110
RR >25
Cant complete sentences
Life threatening acute asthma?
<33%
Sats <92%
Silent chest
Tiring
PaO2 <8
Near fatal acute asthma?
Raised paCO2
Mechanical ventilation with increasing inflation pressures
Ipratropium bromide mechanism of action?
SAMA
Antagonises acetlycholine
Indications for lung reduction therapy in COPD?
- Upper lobe predominant emphysema
- FEV1 >20% predicted
- PaCO2 <7.3
- TLCO >20% predicted
Criteria for LTOT?
PaO2 <7.3 on 2 occassions 3 weeks apart
PaO2 <8 + cor pulmonale, polycythaemia, pulmonary HTN
How long should you use LTOT?
Atleast 15 hours a day
Investigation for bronchiectasis?
High resolution CT showing:
Tram lines
Ring shadows
Signet ring
When give prophylaxis in broncheictasis?
> 3 exacerbations a year
Pseudomonas aeruginosa treatment?
Po cipro
IV tazocin
Nebulised colomycin
What is allergic bronchopulmonary aspergillosis?
High IgE against aspergillus fumigatus. Treat with steroids and antifungals
What is bronchiolitis obliterans?
Obstructive destruction by granulation tissue seen in RA or post lung transplant
How do you treat bronchiolitis obliterans?
immunosuppression
High resolution CT findings of ILD?
Honey combing
Ground glass
If broncholavage in ILD >50% lymphocytes?
Add immunosuppression
Upper interstitial lung disease causes?
HART
Hypersensitivity pneumonitis
Ankylosing spondylitis
Radiotherapy
TB
Causes of lower lung fibrosis in ILD?
RAIDS
RA
Asbestosis
Idiopathic
Drugs
Sarcoidosis
What drugs cause ILD lower fibrosis?
Methotrexate
Bleomycin
Amiodarone
Nitrofurantoin
Treatment of idiopathic pulmonary fibrosis (lower zone)?
Pirfenidone
Nintedanib
Mechanism of action of Pirfenidone for idiopathic ILD?
Decreases fibroblast
Mechanism of action of nintedanib for idiopathic ILD?
TKI
Cystic fibrosis mutation and chromosome?
Cr 7
CFTR
CF most common variant?
Delta- F508
Contraindications to lung transplant?
- Other organ failure
- Untreated CAD
- Malignancy within last 5 years
- TB infection
- Poor support or follow up compliance
- Relative contraindication: Burkholderia cepacian or mycobacterium abscessus
Signs of massive PE needing thrombolysis?
Hypotension <90 for >15 mins
Cyanosis
R heart train (raised JVP, loud P2 and parasternal heave)
Redcurrant sputum?
Klebsiella
Mycoplasma pneumonia associated with?
Cold AIHA
Target lesions or erythema multiforme
Exudative pleural effussion?
Protein >35
What is a chylothorax?
Lymph fluid with high cholesterol after trauma
What is meig syndrome?
Ovarian tumour
Ascites
Pleural effussion
Catamenial pneumonthorax?
Secondary to endometrosis
Pneumothorax not responding after 48h?
Surgery
How long til you can fly post radiological resolution of pneumothorax?
7 days
What biologic can reactive TB?
Inflixamab
Rifampicin SE?
Red coloured bodily fluids
OHS seen as?
Chronic respiratory acidosis
CD4 count for PCP?
<200
Signs of PCP?
Peri hilar
Crushed ping pong ball sign
Treatment of PCP?
IV co-trimoxazole + steroids
PiMZ in alpha-1-anti trypsin deficiency?
carrier and unlikely to develop emphysema if a non-smoker
Normal genotype not alpha-1 anti trypsin?
PIMM
Alpha 1 anti tyrpsin deficiency meaning of genotype?
S- slow enzymes 50% normal
Z- very slow enzymes 10% normal
First line investigation for asthma?
measure the eosinophil count OR fractional nitric oxide
Look at upper airway compression best with?
Flow volume loop
Good prognostic factors in sarcoidosis?
HLA B8
Lofgren’s syndrome (bilateral hilar lymphadenopathy, erythema nodosum, polyarthritis and fever)
Stages of COPD?
1- mild >80
2- moderate >50
3- severe >30
4- very severe <30
Most common cause of IECOPD?
Haemophilus influenzae
Pleural plaques and FU?
Dont need
how many % of patients diagnosed with lung ca have a normal CXR?
10%
varenicline used in smoking cessation linked to?
suicidal behaviour
Farmers lung is?
Saccharopolyspora rectivirgula
Recommended settings for NIV for COPD?
EPAP: 5 cm H2O
IPAP: 10 cm H20 whilst BTS suggest 12-15 cm H2O
back up rate: 15 breaths/min
Most people with sarcoidosis get better with?
without treatment
CXR sarcoidosis stages?
1 = BHL
2 = BHL + infiltrates
3 = infiltrates
4 = fibrosis
High risk characterisitics of pneumothorax needing chest drain?
Haemodynamic compromise
Significant hypoxia
Bilateral pneumothorax
Underlying lung disease
≥ 50 years of age with significant smoking history
Haemothorax
HLA of RA?
HLA DR4
HLA DR1
Most specific antibody for RA?
Anti-CCP
Bets prognosis in RA?
RF negative
Poor prognosis in RA?
Male
Early development
Erosions
RF
Anti CCP
What is felty syndrome?
RA
Neutropenia
Splenomegaly
What is caplan syndrome?
RA nodules
Coal workers lung
DAs-28 in remission?
<2.6
Management stages of RA?
- methotrexate
- sulfasalazine/ leflunomide
- DAS 28 >5.2 methotrexate + anti TNF
- Methotrexate + rituximab
Examples of anti TNF?
Adalimumab
Infliximab
Starting rituximab check?
Hep B
Starting methotrexate screen?
CXR
HBV, HCV
Give what with methotrexate?
Folic acid OW
What not to take or do on methotrexate?
X pregnancy 3 months
X progaunil, trimethoprim
SE of sulfasalazine?
Decreases sperm count
Flare of G6PD
Agranulocytosis
Pencil in the cup?
Psoriatic arthritis
What DMARD not to give in psoriatic arthritis?
Hydroxychloroquine, exacerbates skin
What is keratoderma blenorrhagica?
Dark maculopapular rash on palms and soles seen in reactive arthritis
Most common cause of septic arthritis?
Staph aureus
Most common cause of septic arthritis following replacement?
Staph epidermis
Stills disease?
High temp
Salmon pink rash
High ferritin >1500
Leucocytosis and neutrophilia
Treatment of still disease?
NSAID + aspirin
Gout can be caused by which renal issue?
Lesch nyhan syndrome
GCA USS?
Halo sign
Biopsy of GCA?
Multinucleated giant cells
Management of GCS?
Aspirin + high dose pred
Any visual symptoms pulsed IV methylprednisolone
Polymyositis antibody?
Anti-Jo-1
Muscle biopsy of polymyositis?
Endomysial infiltrates
Muscle biopsy of dermatomyositis?
Perivascular infiltrates
Antiphospholipid diagnosis?
2 tests 12 weeks apart
Management of antiphospholipid syndrome?
Aspirin + warfarin
SLE hypersentivity reaction?
Type 3
What is low in SLE?
C3/4
Most common antibody in SLE?
ANA
Most specific antibody?
Anti smith (SnRNP)
Anti dsDNA
Drug induced lupus antibody?
Anti histone
Subacut cutaneous lupus antibody?
ANA
Anti-SS-A
Anti-SS-B
Treatment of SLE?
NSAID + hydroxycloroquine
Sjrogens hypersensitivity reaction?
Type IV
Increased risk of what cancer with sjorgens?
Lymphoma
CREST syndrome AKA
Limited cutaneous sclerosis
Antibody of limited cutaneous sclerosis (CREST)?
Anti centromere
Risk of what with CREST and anti centromere?
pulmonary HTN
Diffuse sclerosis antibody?
Anti SCl 70
Risk with anti Scl-70?
ILD
HLA B27 associated with?
A REAP
Ankylosing spondylitis
Reactive arthritis
Enteropathic arthritis
Anterior uveitis
Psoriatic arthritis
Osteoporosis T score?
<2.5
What is subclavian steel syndrome?
Syncope on upper body exercise due to thoracic outlet obstruction
What is key to RA pathophysiology?
TNF
What does the Z score do?
diagnosing secondary osteoporosis
What is McArdle’s disease?
Myophosphorylase deficiency
seen as dark urine on exercise with myoglobin and CK
Pagets associated with increased?
hydroxyproline
Golimumab is a
TNF inhibitor
Causes of drug induced lupus?
procainamide
hydralazine
isoniazid
minocycline
phenytoin
Anti bodies of anti phsopholipid syndrome?
lupus anticoagulant
beta-2 glycoprotein antibody
cardiolipin antibody
Rheumatoid factor is an Ig what?
IgM antibody against IgG
Pilocarpine for?
Dry mouth
How is lateral epicondylitis seen?
worse on resisted wrist extension/suppination whilst elbow extended
What is the most common cardiac defect in marfans?
dilation of the aortic sinuses
Mechanism of action of Mycophenolate mofetil?
inhibits inosine-5’-monophosphate dehydrogenase
Mechanism of action of methotrexate?
Reversible inhibitor of dihydrofolate reductase
If 75 and over with a history of fragility fractures what is the next stage in management?
Bisphosphonate without requiring a DEXA scan
Most common organism in osteomyelitits?
Staph aureus
Gout is most commonly caused by?
Decreased uric acid secretion
Positive femoral stretch test?
L4
What secrets most of TNF?
Macrophages
SE of leflunoamide?
HTN
etanercept mode of action?
TNF-A
TNF-a can cause reactivation of?
TB
CREST is associated with malabsorption because?
SBBO
GCA vision loss most likely due to?
Anterior ischemic optic neuropathy (AION).
Azathioprine in pregnancy?
Safe
Osteoporosis in men check?
Testosterone
Mechanism of action of dabigatran and bivalrudin?
Direct thrombin inhibitors
Direct thrombin inhibitors have an increased?
APTT
Intrinsic
How does LMWH and fondaparinux work?
Activated anti thrombin III which inhibits Xa
How does apixaban and rivaroxaban work?
Direct Xa inhibitors
How does unfractionated heparin work?
Creates a complex inhibiting factors 9-12a
Reversal of unfractionated heparin?
Protamine sulphate
Reversal of apixaban?
Andexanet alfa
How does warfarin work?
Inhibits Vit K dependant factors:
2, 7, 9, 10
Protein S, C
Warfarin increases the?
PT
extrinsic
High INR no bleeding >5 but <8?
Hold 1-2 doses
Review maintanence dose
High INR no bleeding >8?
Stop anticoag
Oral or IV vitamin K
Repeat 24 hours
Minor bleeding with high INR?
Stop anti coag
IV vit K
Repeat 24 h
Major bleeding with high INR?
Stop anticoag
IV vitamin K
Prothrombin complex
Target cells?
Post splenectomy
IDA
Heinz bodies?
G6PD
Thalassaemia
Howell-Jolley bodies?
Post splenectomy
Schistocytes?
Haemolytic anaemia
HUS
DIC
TTP
Metallic heart valves
Sideroblasts?
Myelodysplastic syndrome
Causes of microcytic anaemia?
TAILS
Thalassaemia A + B
Iron deficiency
Lead poisoning
Sideroblastic
Blood findings in haemolytic anaemia?
High bilirubin
High LDH
High urobilinogen
Low haptoglobin
Inheritance of spherocytosis?
AD
Causes of hereditary spherocytosis?
Low spectrin, ankyrin, band 3
Diagnosis of hereditary spherocytosis?
EMA binding
Crisis in hereditary spherocytosis caused by?
Parvovirus B19
Treatment of spherocytosis?
Folate
Splenectomy
Inheritance of G6PD?
X linked recessive
When can you do a G6PD assay for diagnosis?
6 weeks after crisis
Ig of warm autoimmune haemolytic anaemia?
IgG
Causes of WAHA?
Lymphocytic leukaemia
Lymphoma
Macrophages mark for destruction in spleen
Investigation of WAHA?
Flow cytometry
DAT +ve
Treatment of WAHA?
Prednisolone
Azathioprine
Ig of cold haemolytic anaemia?
IgM
Cold AHA action?
Complement direct haemolysis
A thalassamia types?
2 defects = carrier
3 defects = hb H anaemia
4 defects = hydrops fetalis
Thalssaemia inheritance?
AR
B thalassaemia types?
Minor
Major - severe 3-9 months
Diagnosis of B thalassaemia?
HbA2 high
Sickle cell diagnosis?
haemoglobin electrophoresis + genetic testing
management of sickle cell disease to stimulate HbF?
Hydroxycarbamide
Bloods in DIC?
High d-dimer
Schistocytes
Thrombocytopenia
High PT
Decreased fibrinogen
DIC linked to which leukaemia?
acute promyelocytic leukaemia
Platelets are produced by?
megakaryocytes
Plts <10?
Spontaneous intracerebral bleed
ITP is?
Immune destruction of plts due to glycoprotein Ib, IIb, IIa complexes
Management of ITP with plts <30 no bleeding?
Steroids
Life threatening bleeding in ITP?
IV steroids
IVIG
Plts
TTP is caused by?
Low ADAMS13 activity cleaving VWF
management of TTP?
Plasma exchange
Haemophilia and VWD has high?
APTT intrinsic
Haemophilia inheritance?
X linked recessive
Haemophilia seen with?
Haemoarthrosis
Haemophilia A?
Factor 8 low
Haemophilia B?
Factor 9 low
Inheritance of VWF?
AD most common
VWD seen as?
Menorrhagia
Management of polycythaemia rubra vera?
Aspirin and venesection
ALL
Kids
CLL
Smear and smudge cells
Ritcher transformation to high grade lymphoma
Warm haemolytic anaemia
AML
Auer rods
15:17
PML-RARA
Good prognosis
DIC
Retinoic acid
CML
Philadelphia chromosome
9:22 34:11
BCR-ABL
Imatinib
BRAF
Hairy
H. pylori and cancer?
MALT lymphoma
EBV and cancer?
Burkitts lyphoma
Hep C and cancer?
Diffuse large B cell lymphoma
Human T cell virus 1 and cancer?
T cell lymphoma
Poor prognosis in lyphoma?
High LDH
Prognosis for myeloma?
serum B2 microglobulin
Albumin
poikilocytes in?
Myelofibrosis
Delivery and plts?
Epidural plts >80
NVD plts >50, avoid instrumental delivery
Anaphylaxis in blood transfusion?
IGA deficiency
Delayed haemolytic reaction to blood transfusion?
5 days after
What happens in factor V ledien?
activated factor V is inactivated 10 times more slowly by activated protein C than normal
AKA resistance to protein C
What is given to prevent haemorrhagic cystitis with cyclophosphamide?
Mesna
Most likely SE with cisplatin (platinum based chemo)?
Ototoxicity
Pregnancy can cause which haemolytic anaemia?
TTP
Treatment of methaemoglobinaemia?
Methylene blue
Pancytopenia causes?
Trimethoprim
Chloramphenicol
Penicillamine
Carbimazole
Carbemazepine
TTP is seen as a pentad of?
thrombocytopenia
microvascular haemolysis
fluctuating neurological signs
renal impairment
fever.
Differentiating CML from leukaemoid reactions use?
leukocyte alkaline phosphatase score
LOW CML
High leukaemoid reaction
Follicular lymphoma translocation
t(14;18) translocation and increased BCL-2
How is common variable immunodeficiency seen?
Low IgG, IgM and IgA
High lymphocytes
B cell deficiency
SCID and lymphocytes?
Low
basophilic stippling seen in?
Lead poisoning
Most common type of Hodgkin’s lymphoma?
Nodular sclerosing
Doxorubicin what serious SE?
Dilated cardiomyopathy
Vincristine mode of action and SE?
Inhibits formation of microtubles
Peripheral neuropathy
Burkitts lymphoma translocation?
c-myc gene translocation
CKD causes increased coagulopathy due to?
antithrombin III deficiency
Why is the hypercalcaemia in myeloma?
Increased osteoclast activation
Tumour marker of peritoneal ca?
Ca 125
Causes of intravascular haemolysis?
mismatched blood transfusion
G6PD deficiency
red cell fragmentation: heart valves, TTP, DIC, HUS
paroxysmal nocturnal haemoglobinuria
cold autoimmune haemolytic anaemia
Leucocyte alkaline phosphatase is raised in?
myelofibrosis
leukaemoid reactions
polycythaemia rubra vera
Steroids
pregnancy, oral contraceptive pill
Carcinogen linked to HCC?
Aflatoxin
Aniline dyes are a carcinogen for?
TCC
Nitrosamines are a carcinogen for?
Oesophageal, gastric ca
Most common cause of neutropenic sepsis?
Staphylococcus epidermidis
Staphylococcus epidermidis organism?
Coagulase-negative, Gram-positive bacteria
Bombesin is a tumour marker for?
SCLC
Non hodgkins lymphoma chemo treatment?
R-CHOP
Chemo used in CLL?
FCR
Waldenstrom’s macroglobulinaemia seen as?
IgM monoclonal paraprotein
Polycythaemia rubra vera and ESR?
ESR low
Test for paroxysmal nocturnal haemoglobinuria?
Flow cytometry for CD59 and CD55
Capgras delusion?
Clones
Lithium >4?
Dialysis
Which antipsychotic is associated with high prolactin?
Risperidone
Clozapine SE?
Agranulocytosis
In IHD and depression give?
Sertraline
Section 2 in?
ED
Section 4 in?
Emergency with 1 person
Section 135?
Enter property
Section 136?
Public place
Which antidepressants can cause urinary retention, dry mouth, blurred vision?
TCA
Amitriptyline
imipramine
Raised in anorexia?
G’s and C’s raised:
growth hormone
glucose
salivary glands
cortisol
cholesterol
carotinaemia
How long to stop SSRIs over?
4 weeks
Narcissistic personality disorder?
Self important
Lack of empathy
Takes advantage
Schizoid personality disorder?
Lack of interest in everything
Schizotypal personality disorder?
Odd beliefs
Antidepressant to avoid in overdose risk?
Dosulepin
BZ mode of action?
Enhances GABA
Lithium levels should be checked every?
3 months
Safest TCA in overdose?
Lofepramine
Increasing pain management in palliative by?
30-50%
Metastatic bone pain management?
Opioids
Bisphosphonates
Oral to SC/IV/IM morphine?
/2
Oral morphine to codeine/tramadol?
/10
Oral morphine to oral oxycodone?
/2
Oral oxycodone to SC oxycodone?
/2
Oral morphine to SC alfentanil?
/30
Oral morphine to SC diamorphine?
/3
12 fentanyl patch is how much morphine?
30mg
10 buprenoprhine patch is how much morphine?
24
PD end of life?
Rotigotine patch
If midazolam ineffective for agitation in end of life?
Levomepromazine
Treatment of hiccups in end of life?
Chlorpromazine
Liver capsular pain?
Dexamethasone
What increases mortality in dementia?
Antipsychotics
When to add on memantine?
MMSE <10
LDH is the tumour marker for?
Testicular ca
NHL
HL
S-100 is the tumour marker for?
Melanoma
Schwannoma
B-2 microglobulin is the tumour marker for?
NHL
Myeloma
Seminoma testicular cancer tumour markers?
LDH
HCG
Etoposide chemotherapy can cause?
AML
Hormonal therapy in breast cancer which is ER+ve?
Tamoxifen pre-menopausal
Anastrozole post menopausal
Trastuzumab is?
Herceptin
Germ cell ovarian tumours tumour markers?
AFP
HCG
What is a krukenberg tumour?
Ovarian tumour met from GIT with signet ring morphology
Asbestosis increases risk of what female GU cancer?
Ovarian
Cervical cancer linked to?
HPV 16+18
Never biopsy what cancer?
Testicular cancer promotes lymphatic spread
SLE is associated with which DAT +ve haemolytic anaemia?
Warm autoimmune haemolytic anaemia
What is defective in Chronic granulomatous disease?
Neutrophils
ALL good prognosis?
Hypodiploidy
CLL diagnosis?
Immunophenotyping
What is deficient in Hereditary angioedema?
C1-INH deficiency
Polycythaemia rubra vera can progress to?
Myelofibrosis
AML
Causes of drug induced methaemoglobinaemia ?
antimalarials (chloroquine, atovaquone)
co-trimoxazole
dapsone
local anaesthetics (benzocaine, lidocaine)
What is DDAVP?
Desmopressin
What is the mechanism of action of desmopressin in VWD?
release of von Willebrand’s factor from endothelial cells
Lung cancer in non smokers?
Adenocarcinoma
Adenocarcinoma of lung is found?
Peripherally
Why do you get repeated infections in CLL?
hypogammaglobulinaemia low IgA/ IgG/IgM
normocytic anaemia, gallstones and family history?
Hereditary spherocytosis
Poor prognosis in Hodgkins lymphoma?
B symptoms
Weight loss
Night sweats
Fver
Bone marrow/ stem cell transplant blood transfusions ensure you request?
Irradiated
CMV negative blood needed for?
Granulocyte transfusions
Intra-uterine
Neonates til 28 days
Pregnancy
Cisplatin mode of action?
cross-linking in DNA
6th CN palsy?
False localising effect
Raised ICP
Management of acute angle closure glaucoma?
IV acetazolamide/ timolol
+
Peripheral laser iridotomy
What prevents posterior synechiae?
Atropine or cyclophntolate
Episcleritis blanches with?
Pressure
10% phenylephrine
2 signs of central retinal artery occlusion?
Cherry red spot
Pale retine
Where is the occlusion in amourosis fugax?
Internal carotid artery
ARMD has?
Metamorphsia and drusen
Orbital cellulitis is?
Reduced VA
RAPD
Ptosis
Painful eye movements
Reduced colour vision
Retinoblastma has?
White pupil- leukcoria
Impaired light reaction to pupil but accomodation intact?
Argyll robertson
APD is called?
Marcus gunn pupil
Worst prognosis in age related macular degenration?
Wet
RA has increased risk of what eye condition?
Keratoconjunctivitis sicca
Dry eyes
Strongest risk factor for age related macular degernation?
Smoking
Mechanism of action of pilocarpine?
muscarinic receptor agonist increasing outflow
Holmes aide pupil seen as?
Women
Absent leg reflexes
Dilated pupil
Benign
Mechanism of action of Dorzolamide?
Carbonic anhydrase inhibitor decreasing production
Treatment of Herpes zoster ophthalmicus (HZO)?
Oral aciclovir
Cause of horners syndrome that is post-ganglionic lesion?
Internal carotid artery
Scleritis and episcleritis which is painful?
Scleritis
Antioxidants not in?
Smokers increased risk of lung ca
In panretinal photocoagulation what % of patients reports decreased visual field?
50%
How is Central retinal vein occlusion seen?
sudden painless loss of vision, severe retinal haemorrhages on fundoscopy
What is a monoclonal antibody directed against vascular endothelial growth factor (VEGF)?
Bevacizumab
Anhydrosis in horners absent in?
Carotid artery dissection
Causes of erythema nodosum?
IBD
Bechets
Sarcoidosis
COCP
TB
Causes of erythema mutliforme (target lesions)
HSV
EBV
HIV
Cellulitis cause?
Staph aureus
Strep pyogenes
Cause of erysipelas?
Group A B haemolytic strep
Treatment of lymes?
Doxycyline
Treating lymes can cause?
Jarisch-herxheimer reactions
HSV-1
Cold sores
HSV-2
Genitals
Syphillis treatment?
Penicillin
Tinea under woods lamp?
Bright green
Actinic keratosis?
5-flourouracil
Bowens in immuncompromised?
2ww
Lichen planus?
P’s
Wickman striae
Bullous pemphigoid?
Deep
Subepidermal
IgG to hemidesmosomes
spares mucous membranes
Pemphigus vulgaris?
Superficial
Intraepithelial- desmoglein 3
IgG
Mucous membranes and nikolsky +ve
Photosensitive rash to dorsum of hands and face, associated with hair growth and pigementation?
Porphyria cutanea tarda
What is the cause of porphyria cutanea tarda?
uroprophyringen decarboxylase
Findings in uroporphyrinogen decarboxylase deficiency (inherited) porphyria cutanea tarda?
Pink urine under woods light
High ferritin
What else can cause prophyria cutanea tarda?
Inherited
Alcohol
Hep C
Oestrogen
Steroid ladder:
Mild: 1% hydrocortisone
Moderate: clobetasone butyrate 0.05%
Potent: betamethasone 0.1%
Seborrhoeic dermatitis is associated with?
HIV
Parkinsons disease
Blepharitis
What medication can worsen psoriasis?
BB
Lichen planus oral involvement?
Commonly
Dermatitis herpetiformis biopsy?
IgA deposition in the dermis
Hirtusim treatment?
Topical eflornithine
Lichen planus treatment?
Topical steroids
Acne abx in pregnancy?
Erythromycin
Isotretinoin SE?
teratogenicity
low mood
dry eyes and lips
raised triglycerides
hair thinning
nose bleeds
Non healing painless ulcer over site of trauma?
SCC
Dermatitis in hands, lips and perianal?
Zinc deficiency
Deep red ulcers with violaceous ulcer?
Pyoderma gangrenosum
Alopecia accreta treatment?
Corticosteroid topical
Flexural psoriasis first line treatment?
Topical steroids
Hazard ratio is?
Survival over time
Clinical trails stage 0-4?
0- exploratory
1- safety in healthy volunteers
2- dosing and efficacy
3- compare to standard
4- post marketing
What are confounding variables?
Non random distribution of risk factors
What is linear regression?
Predicts how much one variable changes when you change another
y = bx +a
Nominal data is?
Categories not in order e.g., birthplace
Ordinal date is?
Categories with order e.g.,HF classification
Discrete data is?
Finite number e.g., no. of asthma excacerbations
Continuous data is?
range e.g., weight
Interval data is?
Range with no true 0 e.g., temperature
Why is a funnel plot used?
Determine publication bias, unsymmetrical = bias
Incidence is?
No of new cases in a population over a period of time
What does intention to treat analysis remove?
Drop out bias
Type 1 error?
Incorrectly rejecting the null when it is true
Type 2 error?
Incorrectly accepting the null when it is false
Power =
1 - probability of a type 1 error
Cohort study is?
Observational and prospective
case control study is?
Observational and retrospective with matched control
Cross sectional study is looking at?
Prevelance
Normal distribution is?
Mean = Median = Mode
SD =
Sqaure root of variance
Standard error of mean =
SD / square root of n
95% CI is?
1.96 SD from mean
SD’s numbers:
1- 68.3% (34 each side)
2- 95.4%
3- 99.7%
When do you use parametric tests?
Normal distributions
Quantative data
Means and SD
Name the 2 parametric tests?
Students t-test (paired, unpaired)
Pearson’s coefficient (correlation)
What is a paired test?
Looks at one group with 2 values
What is an unpaired test?
Two different groups
When do you use a non parametric test?
Skewed, qualitative (nominal/ordinal)
Name the 4 non parametric test?
Mann whitney U- unpaired
Wilcoxon signed rank- paired
Chi squared- proportions, %
Spearman’s
How do you remember which non parametric test if paired or unpaired?
Mann Whitney U- whitney houston is not a man so unpaired
Wilcoxon- will is a man with a cox so paired
Sensitivity?
TP/TP + FN
Specificity?
TN/ TN+ FP
PPV?
TP / TP + FP
NPV?
TN/ TN + FN
NNT =
1 / ARR
ARR is?
Absolute risk reduction
Control incidence - experimental incidence
RRR?
Control incidence
Risk ratio =
Experimental incidence / control incidence
Odds ratio =
AD / BC
Tuberous sclerosis inheritance?
AD
Action of Vit D?
Increased calcium absorption in gut
Increases phosphate
Action of ADH?
Acts on collecting ducts to increase water reabsoprtion by increasing aqauporin 2 channels
What is penetrance?
Having the allele but no the phenotype
Chi sqaured for?
Non parametric nominal data
Tay sachs and Neiemann-Pick syndromes?
Developmental delay
Cherry red spot on macula
Neiemann- + hepato/splenomegaly
Tall with downward lens dislocation, DVT, tall, learning difficulties?
Homocsytinuria
X linked recessive conditions?
Duchennes
Beckers
Haemophilla
G6PD
Colour blindness
Fabrys
Trinucleotide repeat disorders?
Huntingtons
Freidrichs ataxia
Myotonic dystrophy
Fragile X syndrome
Vitamin B3 is?
Niacin
What is niacin deficiency?
Pellegra
How is pellegra/ Niacin (B3) deficiency seen?
Dermatitis
Dementia
Diarrhoea
HLA’s are always on which chromosome?
6
What secretes GH?
Somatotropin cells
What does GH directly act on?
Chondrocytes and osteoblasts
What hormone is an anabolic steroid?
GH
What does insulin bind to?
Tyrosine kinase receptors
HIV progression is seen by increased?
B3 microglobulin
2 actions of nitrates?
Smooth muscle relaxation causing vasodilation
Inhibits plt aggregation
Mitochondrial diseases show poor?
Penetrance
What receptor does EBV bind to?
CD21
Th cells secrete?
IL-4
TNF is secreted by?
Macrophages
NK cells secrete?
Interferon gamma
What increases iron absorption in the gut?
Vit C (asorbic acid)
Treatment of minimal change disease?
Steroids
Triad of von hippel lindau?
Retinal and cerebellar haemogioblastoma
Clear cell renal carcinoma
Post STEMI anti plt?
DAPT
Ticagrelor + aspirin
Enterobius vermiacaris?
Threadworm in children
Taenia solium?
Pork tape worm
Drugs causing peripheral neuropathy?
Vincristine
Amiodarone
Isoniazid
Nitrofuratoin
Metronidazole
Indinavir causes?
Nephrolithiasis
2 signs of spontaneous CJD?
Rapidly progressive mental deterioration
Myoclonus (often startle)
AED in breatfeeding?
All OK
Mixed alpha and beta adrenoceptor?
Carvedilol
Choice of intervention for severe MS in young?
Percutaneous mitral commissurotomy
Choice of intervention for severe MS in old with calcification?
Replacement
Antibiotic for legionella?
Clarithromycin
Legion = camp, camp= gives clarity
Action of clarithromycin?
Inhibits protein synthesis
NF1 findings?
Multiple neurofibromas
Cafe au lait spots
Lisch nodules
Optic gliomas
NF2 findings?
schwannomas and meningiomas
alexia (inability to read) is associated with lesion to the?
Corpus callosum
How do you offer HPV vaccination to?
MSM <45 to protect against anal, throat and penile cancers
Disseminated lymes treatment?
IV ceftriaxone
Mantoux and inferon +ve with no symptoms?
Latent TB
Management of latent TB?
3 months of isoniazid + pyridoxine + rifampicin
6 months of isoniazid with pyridoxine
Chikungunya symptoms?
Severe joint pain
Causes of occupational asthma?
isocyanates
platinum salts
soldering flux resin
glutaraldehyde
flour
epoxy resins
proteolytic enzymes
Nightmares?
Bisoprolol
Risk factors of aloopurinol SJS?
Diuretic use
Ethnicity (Thai descent)
Chronic kidney disease
IE abx til sensitivities return?
Amoxicillin and gentamicin
How long eating gluten for diagnostic tests?
6 weeks
Rapidly spreading rash from buttocks up?
Strongyloides stercoralis
Management of Strongyloides stercoralis?
Ivermectin
UC with severe relapse or 2+ exacerbations in past year treat with?
oral azathioprine or oral mercaptopurine
Raised inflammatory markers in UC severity?
Severe
Triggers for cluster headache?
Alcohol
Amiodarone rash?
Photosensitive rash on arms and face
Affect of amiodarone on the eyes?
Corneal opacities
Optic neuritis
What is uncommon in drug induced lupus?
Glomerulonephritis
Organophosphate insecticide poisoning tx?
Atropine
Treatment of fast AF in WPW?
Flecanide
Avoid anything that inhibits AVN conduction AVN: CCB, BB, digoxin due to risk of VF
SEs of phenytoin?
Gingival hyperplasia
Peripheral neuropathy
Hirsutism
Coarsening of facial features
Megaloblastic anaemia
Osteomalacia
Lymphadenopathy
Dyskinesia
Filariasis that is brawny and indurated?
Wuchereria bancrofti
Statins or ezetimibe in pregnancy/ trying to conceive?
NO STOP
Medication overuse headache treatment?
Slowly decrease opioids, stop NSAID and paracetamol now
Marfans optic issue?
Superotemporal ectopia lentis (upward lens dislocation)
First line for neuropathic pain?
Amitriptyline
Second line for neuropathic pain, when amitriptyline contraindicated due to BPH/ risk of urinary retention?
Pregabalin
Kallman vs Klienfelter?
Both low testoesterone
Kallman Low LH and FSH, no smell
Klienfelters High LH and FSH
Gitelman’s affects the?
DCT
Granuloma inguinale is due to?
Klebsiella granulomatis
What is a chancroid?
Haemophilus ducreyi.
painful genital ulcers, painful inguinal lymph node enlargement.
What is Lymphogranuloma venereum (LGV)?
Chlamydia trachomatis.
small painless pustule which later forms an ulcer
Medications linked to poor glycaemic control?
thiazides
steroids
tacrolimus, ciclosporin
interferon-alpha
nicotinic acid
antipsychotics
Parietal lobe lesions can cause?
Astereognosis
Inability to recognise things
Ethyl gycol poisoning on ABG?
RAGMA and high osmolar gap
Mechanism of action of sumitriptan?
5-HT1 agonist
Mechanism of action of pilocarpine for dry mouth?
Muscarinic agonist
Steroids can cause?
Drug adverse effect of acne like spots
Adverse effect of long term steroids?
Avascular necrosis
centrally acting anti hypertensive?
Moxonidine
Associations with WPW?
HOCM
mitral valve prolapse
Ebstein’s anomaly
thyrotoxicosis
secundum ASD
Shift to the R in oxygen dissociation curve?
Raised [H+] (acidic)
Raised pCO2
Raised 2,3-DPG
Raised temperature
Drugs causing urticaria?
aspirin
penicillins
NSAIDs
opiates
Causes of restrictive cardiomyopathy?
Amyloidosis (most common), Haemochromatosis
Loffler’s syndrome
Sarcoidosis
Scleroderma
Ankylosing spondylitits is associated with which valvular problem?
Aortic regurg
William syndrome is associated with?
Supravalvular AS
Reversal of dabigatran?
idarucizumab
Drug causes of intracranial HTN?
combined oral contraceptive pill
steroids
tetracyclines
Isotrenonin
lithium
Gram negative cocci?
Neisseria meningitidis
Neisseria gonorrhoeae
Moraxella catarrhalis
What is Gerstmann syndrome?
acalculia
right-left disorientation
finger agnosia
agraphia
Where is the lesion in Gerstmann syndrome?
Dominant parietal lobe
tirofiban pre PCI mechanism of action?
Glycoprotein IIb/IIIa receptor antagonis
Early x-ray feature of RA?
Juxta-articular osteoporosis/osteopenia
T2DM not controlled on triple therapy?
switch one of the drugs for a GLP-1 mimetic, particularly if the BMI > 35
T wave inversion in V1-3 with notch at end of QTc (AKA epsilon wave)?
Arrhythmogenic right ventricular cardiomyopathy
Protein on urine dip on kidney dysfunction rules out?
Pre or post renal causes
Psoriatic arthritis affects?
Males and female equally
72 hours post op without pyrexia with new o2 requirement think?
Atelectasis
If you cant give ciprofloxacin to meningitis contacts give?
Rifampicin
Can mothers with Hep B breast feed?
Yes
How to look after baby born to mother with Hep B?
At birth hepatitis B immunoglobulin (HBIG) within 24h hepatitis B vaccine
Bile acid malabsorption test?
SeHCAT
What are the risk factors for oesophageal adenocarcinoma?
Barrett’s oesophagus
Smoking
Alcohol
What are the risk factors for oesophageal squamous cell carcinoma?
Smoking
Alcohol
Plummer vinison
Achalasia
PCP on examination?
Very little chest signs to auscultate
Recurrent episode of C. difficile within 12 weeks of symptom resolution should be treated with?
oral fidaxomicin
AD PCKD type 1 chromosome?
chromosome 16
AD PCKD type 2 chromosome?
Chromosome 4
Gitelman’s syndrome mechanism?
NaCl symporter in the DCT
Suspect meningitis start?
cefotaxime IV
Plasma exchange complication?
Hypocalcaemia
as it is chelated by sodium citrate, the agent used as an anticoagulant during the procedure
Mechanism of action of procyclidine?
Anti muscarinic
Treatment of Varicella pneumonia?
IV aciclovir
Warfarin in breast feeding?
YES fine
What abx inhibit protein synthesis?
Clarithromycin
Erthromycin
Gentamicin
Doxycycline
Delayed gastric emptying can be seen in?
Migraine
SLE disease monitoring?
Anti-dsDNA titres
Hodgkin lymphoma has which CD?
CD15
What type of hypersenstivity reaction is ITP?
Type II
HLA DR2?
Good pastures
Friedrichs ataxia?
AR - recessive
Large pulse pressure in older age is due to? (difference between systolic and diastolic)
reduced aortic compliance
HLA- DRB1?
Rheumatoid arthritis
Turners syndrome cardiac problems?
aortic dilatation and dissection
Vincristine acts during which cell cycle phase?
metaphase
What is the normal action of p53?
preventing entry into the S phase until DNA has been checked and repaired
When proteins in the cell have been marked with ubiquitin they go to the?
Proteasome
ubiquitin-proteasome system (UPS)
How do you calculate likelihood ratio of a positive test?
sensitivity / (1- specificity)
Central chemoreceptors work due to?
pH
Turners syndrome associated with which cardiac defect?
Coarctation of the aorta
Aortic dilatation
Aortic dissection
Vincristine acts on which cell cycle?
metaphase
What is the normal action of p53?
Preventing entry into the S phase until DNA has been checked and repaired
Large pulse pressure in older age is due to?
Reduced aortic compliance
HLA-DRB1?
Rheumatoid arthritis
Homocystinuria is caused by a deficiency of?
cystathionine beta synthase
Cubital tunnel syndrome affects which nerve?
Ulnar
How to remember molecular tests?
SNOW
DROP
South, North, West
DNA, RNA, proteins
Action of NO?
vasodilation + inhibits platelet aggregation
RNA splicing occurs in the?
Nucleus
Cardiac issues in downs syndrome?
endocardial cushion defect (AVSD)
VSD
Secundum atrial septal defect
tetralogy of Fallot
isolated patent ductus arteriosus
Wrist drop seen due to injury to?
Radial nerve
Hypothenar wasting?
Ulnar nerve
Pain and temp are in the?
Spinothalamic tract
Pain and temp of spinothalamic cross?
at level of spinal cord
- what you have to respond quickly to
Hypotension in sepsis due to?
IL-1
Activation of B cells via?
IgD
Name the 4 steps of cardiac action potential?
4- resting Na/K ATPase
0- depolarisation- Na IN
1- early repolarisation- K out
2- plateau Ca slowly in
3- repolarisation- K out
Hypersensitivity reactions?
1- anaphylaxis IgE
2- Cell bound
3- immune complex
SLE, PSGN
4- delayed
scabies
Allergic dermatitis
GvHD
TB
Where does levothyroxine act?
Nuclear receptors
What does digoxin do to the QT interval?
Shortens it
What does digoxin act on?
Na/K ATPase
Digoxin toxicity is more likely in which electrolyte disturbance?
HypoK
Cyanaid poisoning treat with?
Hydroxocobalamin (b12)
Metformin mechanism of action?
activation of the AMP-activated protein kinase (AMPK)
Alcohol in a paracetamol overdose?
Protective
What increases the risk of lithium toxicity?
Thiazides
ACEi
Cocaine causes what temp chnage?
Hypertehermia
Furosemide may cause hypo?
Hypo Mg
When do you take lithium levels?
12 hours post dose
Treatment within an hour of aspirin overdose?
charcoal
TIA confirmed medications?
Aspirin + clopidogrel
Test for family members of haemochromatosis?
HFE gene
Large jaw tumour?
Burkitts lymphoma
Burkitts lymphoma translocation?
8:14
S4 is inkeeping with?
P wave
Spike and dome appearance on renal biopsy?
Idiopathic membranous glomerulnephritis
Antibodies in idiopathetic membranous glomerulonephritis?
Anti-phospholipase A2 antibodies
Drug induced lupus medication aganist TB?
Isoniazid
Good pastures defective of which collagen?
Collagen IV
What activates macrophages?
Interferon- y
Treatment of GAD?
SSRIs
Purplish macules in HIV+ve?
kaposi sarcoma
What virus is causing kaposi sarcoma in HIV +ve pts?
HHV-8
What produces somatotrophin?
D cells
What causes eczema herpiticum?
HSV-1
Cocksakie
Widening of wrists?
Rickets
What decreases levotyroxine if taken together/ within 4 hours?
Ion and calcium
What causes congenital adrenal hyperplasia?
21-hydroxylase deficiency
Basilar artery stroke?
Locked in syndrome
Amurosis fugax?
retinal or opthalamic artery
Gynaecomastia can occur in?
Digoxin
Poor prognosis in MS?
Male
Psoriasis is worsened by which drugs?
Hydroxychloroquine
Lithium
Japanese encephalitis affects the?
Basal ganglia
(PD signs in encephalitis)
Methaemoglobinaemia is the?
oxidation of Fe2+ in haemoglobin to Fe3+
What causes hirtusim?
Phenytoin
Where is the medial longitundial fasiculus?
Paramedian midbrain and pons
Which treatment for osteoporosis is a RANKL inhibitor?
Denosumab
What chromsome is affected in NF2 with bilateral schwanomas?
Chromosome 22
What is the most common cause of inherited colon cancer?
HNPCC (lynch)
Seborrhoic dermatitis is more common in?
PD
HIV
What test do you do for prognosis of AML?
Cytogenetics
Which infection causes rash sparing hands and feet?
Thyphus
How do you treat tyhpus?
Doxcycline
Long QT syndrome is caused by?
Loss of function of K cells
Ulcer with purple violaceous border?
Pyoderma gangrenosum
What is the treatment of pyoderma gangrenosum?
Steroids
What is the inheritance of charcot marie tooth?
AD
Phenytoin causes macrocyctic anaemia by?
Folate deficiency
Biopsy of HSP renal?
Mesangial hypercellularity
Which antibiotics inhibit 50S?
Macrolides
Clarithromycin, erythromycin