Pastest Learnings Flashcards
Autosomal dominant, chromosome 4, triple repeat
Huntingtons
Decreased crown pubis/crown heel ratio. Infertility, gynacomastia, learning disability. Normal lifespan
Klinefelter
47 XXY or 48XXXY
Klinefelters
Digoxin toxicity features on ECG
- premature ventricular beats
- bradycardia
Reverse tick sign
First and second line tx for heart failure?
1st: Beta blockers and ACEIs
2nd: aldosterone antagonists eg spiro
Side effects of which drug?
Acne, gum hypertrophy, paraesthesia, peripheral neuropathy
Phenytoin
Side effects of which anti epileptic drug?
HypoNa, thrombocytopaenia, haemolytic anaemia, dry mouth, fatigue
Carbamazepine
Lead poisoning symptoms in children?
GI symptoms and raised ICP (papillodema)
Iron toxicity symptoms in children?
Vomiting, GI bleeding, drowsiness, CVD compromise
Autosomal dominant condition leading to 80% increase in risk of bowel cancer
Lynch syndrome : increases risk of bowel, endometrial, stomach, ovarian, prostate, Urinary cancers
Von Hippel Lindau
Multiple cysts in brain, eyes, spinal cord, adrenals, kidneys, pancreas. Increases risk of kidney and pancreatic Ca
Psoriasis tx?
- Betnovate + vitamin D OD
- Vitamin D BD
- Steroid BD or coal tar
Common cause and presentation of interstitial nephritis
NSAIDs, arthralgia, eosinophilia
Anti-dsDNA, anti-Ro, ANA
SLE
SLE Presenting features
- vasculitic lesions
- mouth ulcers
- butterfly rash
- small joint arthralgia
- ophthalmological involvement
- Neuro involvement
Cranial nerve palsy, neck pain, headache, ptosis, miosis
Carotid artery dissection
Role of proximal and distal convoluted tubule?
Proximal: Sodium and glucose re absorption
Distal: urine concentration
Mechanism of action of acarbose
Inhibits alpha-glucosidase
Mechanism of action of metformin
decrease hepatic gluconeogenesis
Increase insulin sensitivity
May reduce GI carb absorption
COPD spirometry
FEV1<80%, FEV1:FVC <0.7 or 70%
Contraindications to sildenafil
ISMN - potent vasodilatory effects, hypoT
AFP, CEA, LDH cancer markers
Alpha fetoprotein - hepatocellular carcinoma
CEA-colon cancer
LDH - testicular cancer
Anti cholinergic symptoms
Mydriasis, reduced secretions, dry skin, fever, altered mental state
Drugs that exacerbate psoriasis
Lithium and beta blockers
Congenital adrenal hyperplasia at birth?
Large penis and pigmented (++testosterone), hyperK and hypoNa (low aldosterone), hypoglycaemia and hypotension (low cortisol). 21 hydroxylase deficiency
HOCM presentation?
Syncope after exercise, systolic murmur, worsens with valsalva, better with squatting. Jerky pulse
Ace inhibitor cough caused by?
Bradykinin breakdown
Infection predisposes to guttate psoriasis
Streptococcus infection
Ichthyosis
Dry scaly skin on abdomen, fingertips, fish scale appearance
Psoriasis on hands and soles of feet
Pustular psoriasis
Hepatitis B recent immunisation?
HBsAg antigen - HBS antibodies produced
Acute or recent infection of Hep B antibodies?
IgM anti-hepatitis B core (HbC)
Less common side effects of nicorandil
Mouth ulcers and stomatitis
Most common bugs in IECOPD
Moraxella, haemophilus, strep pneumoniae
Pulmonary HTN features
Raised JVP, SOB, left parasternal heave, peripheral oedema, pansystolic murmur (tricuspid regurgitation)
Cluster headaches treatment
Nasal sumitriptan or short burst oxygen therapy. Verapamil prophylactic.
Meningitis treatment in primary care
IM Ben pen
Most common cause glomerulonephriits
IgA nephropathy (Bergers), lung and kidney involvement
Cast nephropathy
Myeloma
Most common form of nephrotic syndrome in children?
Minimal change disease
thin basement membranes on renal biopsy, which disease
Alport syndrome : ears, kidney, eyes
Amiodarone monitoring blood tests? How often
LFTs and TFTs 6 monthly
Body burn percentages
Head and neck - 9%
Each upper limb - 9%
Lower limbs - 18%
Trunk - 36%
EBV causes what and predisposes to?
Infectious mono. Lymphoma.
Poor prognosis in breast cancer?
Young age, progesterone/estrogen negative,
IVDU, Recent resp infection, cavitating pneumonia
Staphylococcus
Immuno compromised individual, which pneumonia
Pneumocystis jiroveci
Alcohol and elderly pneumonia
Klebsiella
Low grade fever, rigors, hypotension and tachycardia with psoriasis
Erythrodermic psoriasis - emergency
Presentation of waldenstroms macroglobinaemia
IgM paraprotein causes hyperviscosity symptoms and amyloidosis. Infiltration of bone marrow and organs.
Retinal haemorrhages, lethargy, headache, blurred vision
Amyloidosis link to which IBD? Presents how?
Crohns - hepatomegaly, oedema
Marjolins ulcer
Underlying malignancy, slow healing, shallow ulcer
Lung tumour causing weight gain, HTN, hirsutism
Bronchial carcinoid
Haemophilia A : inheritance, clotting abnormality and deficiency
X linked recessive Prolonged APTT Factor VIII (8) deficiency
Cobblestone lesions
Crohns
Varenicline side effects
Abnormal dreams, menorrhagia
Seminona vs teratoma
Seminona: 30-40, older (sergeants)
Teratoma: 20-30, younger (troops)
Screening for TB in at risk groups?
Mantoux test
MCA stroke presentation
Contra lateral hemiparesis, face and arm worse affected
ACA lesions?
Contralateral hemiparesis, leg and shoulder worse than arms and face
Behçet’s disease
More common in Turkey, Japan and Iran. Ulcers in mouth and genitalia
Mode of inheritance of duchenne muscular dystrophy
X linked recessive
Mode of inheritance vitamin d resistant rickets
X linked dominant
Which organism and which patients get malignant otitis externa
T2DM . Pseudomonas.
Erythema nodosum and proctitis
UC
Turner syndrome cardiac abnormality
Coarctation of aorta
Down syndrome CV defect
AVSD
Cyanosed child with ESM at left sterna edge
Tetralogy of fallot
Eye: Fluroscein staining shows a dendritic ulcer
Herpes simplex keratitis
Turner syndrome
45 XO: lymphodema, small chin, low hairline, webbed neck, short stature
Trisomy 18
Edwards syndrome: rocker bottom feet
22q11 disease and features
Di George ; cleft palate, Absent thymus, aortic arch abnormality, T cell dysfunction
Adverse effects of ACEIs in pregnancy
Renal function and skull abnormalities
Adverse effects of streptomycin in pregnancy
Audio and vestibular damage
Adverse effects of NSAIDS in pregnancy
Premature labour and closure of PDA
cyp450 INDUCERS
Carbamazepine, barbiturates, rifampicin and phenytoin, smoking and chronic alcohol
cyp450 inhibitors
STICK FACES COM
Sodium valproate Trimethoprim Isoniazid Cimetidine Ketoconazole Fluconazole Alcohol Chloramphenicol Erythromycin
Ciprofloxacin Omeprazole Metronidazole Grapefruit juice
Abx for C. Diff?
- 10 days Vancomycin
- Fidaxomicin
If life threatening, add IV metronidazole
Argyll Robertson pupils - causes and presentation
Syphillus and diabetes, small and minimally reactive
Accommodation Reflex Present (ARP) but Pupillary Reflex Absent (PRA)
Acne vulgaris pregnancy
Oral erythromycin
tick causing pneumonia
Q fever - coxiella. Also presents with hepatosplenpmegaly
Brucellosis presentation
Middle Eastern disease, unpasteurised milk: fever, pneumonia, hepatosplenomegaly, epididymoorchitis
MEN1
3 p; pituitary, parathyroid, pancreas
MEN2
Parathyroid, phaeo, medullary thyroid
MEN3
Phaeo, medullary thyroid, Marfanoid
FOOSH, fat pad sign on X-RAY, elbow injury
Radial head #
Glomerulonephritis: Ig ? Precipitant
IgA nephropathy, precipitated by URTI, young males
Chest, eye and renal involvement, c-ANCA +be
Granulomatosis with polyangitis
Adult stills disease
Rheumatic disease: pink rash, arthritis, recurrent fever
Proximal muscle weakness, tenderness, raised CK
Polymyositis
Headache, fever, agitation, hydrophobia
Rabies
Presentation and diagnosis of typhus
Fever, meningism, rash. Dx with serology
Emergency contraception pill options
Ulipristal acetate: up to 5 days post intercourse
Levonelle: 72 hours post intercourse, but efficacy drops
Referral pathway following abnormal smear?
Mild dyskaryosis AND HPV +ve: colposcopy and biopsy within 6wks
Moderate/high dyskaryosis : colposcopy 2wks
Crusting of both eyelids, worse in the morning, normal acuity and pupils
Blepharitis
Test for suspected acromegaly
- First line: IGF-1
2. 2nd line: OGTT
P-ANCA IBD?
UC
discrepancy between kidney size and worsening HTN
Renal artery stenosis
How might Burkitts lymphoma present?
Child with Ascites, abdo pain, hepatosplenomegaly, B symptoms,
How does internuclear opthalmoplegia present? Where is the lesion?
Rapid saccades, lesion in the medial longitudinal fasciculus (which connects 3rd and 6th nerve nuclei)
Risk factors for sudden infant death syndrome
Male sex, winter months, young maternal age
Management of unstable VT
Synchronised cardio version up to 3x
Telogenum effluviam presentation
acute onset hair shedding in response to variety of stressed eg anorexia, childbirth, chronic illness, etc
Hair loss with tapered hairs and exclamation mark hairs, fine white hair in areas of regrowth
Alopecia
Most common diarrhoea
Campylobacter
Treatment for prolonged and unwell gastroenteritis
Ciprofloxacin
GBS risks
Previous GBS, PROM, Pre term labour
UTI drugs in pregnancy and breastfeeding
Nitro - fine until term then you can’t
Trimethoprim - never
Cefalexin at term
After birth: trimethoprim safe in breast feeding
Tests for DDH, imaging, treatment
At 6 weeks, USS if:
Barlow - dislocates
Ortolani - relocates
If >4 months: X ray
Tx: Pavlik harness
VSD murmur and ECG findings
ECG: biventricular hypertrophy
Pansystolic murmur over lower left sternal edge
Immunoflurescence findings in pemphigus vulgaris vs bullolus pemphigoid? Antibody findings?
PV: Intraepidermal circular deposits. Anti desmosome Abs
BP: Linear IgG and C3 deposits. Anti hemidesmosome Abs
Name of manoeuvre for tx of BPPV
Epsley manoeuvre
Presentation of acute glaucoma
Red, painful eye, fixed and dilated pupil with hazy cornea
Acute glaucoma treatment
Acetazolamide, topical beta blocker
Optic neuritis pupil effects?
Loss of direct pupillary reflex, preservation of consensual reflex. Due to optic nerve damage
Medical treatment options for acromegaly
Somatostatin analogues and pegvisomant (GH antagonist)
How might a basilar artery infarction present?
Quadriplegia, locked in syndrome
Law around children and sexual intercourse
Under 13, no one considered competent to consent. Always statutory rape. Gillick competence is irrelevant. Involving parents difficult as you do not know how responsible they may be or involvement in child’s life
Treatment for stage 4 renal cancer
Immunomodulatory drugs
Abx for orbital cellulitis
- Co-amoxiclav
2. Clindamycin with metronidazole if penicillin allergy
Becker’s vs Duchenne Muscular dystrophy and mode of inheritance
Becker’s - later childhood, slower progression
DMD- early childhood, rapid progression
Both X linked recessive
Mechanism of action of aspirin
Inhibits thromboxane A2
MOA of clopidogrel
Activates antithrombin III, which inactivates factor Xa. This prevents prothrombin from being converted into thrombin
Presentation of dry AMD on retina
Drusen spots (yellow small spots)
Myotonic dystrophy presentation and mode of inheritance
Myotonia, wasting and weakness of affected muscles, mainly face and upper limbs . Slowly progressive, associated with cataracts, hypogonadism, frontal balding. Slow relaxing, eg difficulty letting go of grip.
Autosomal dominant
Which malaria subtype can lie dormant and how?
Plasmodium vivax ; hypnozites in the liver
Tumour markers:
Ca 19-9
Ca 125
Ca 15-3
Ca 19-9 ; pancreatic
Ca 125 ; ovarian
Ca 15-3 ; breast
Common side effects of levetiracetam
Weight changes, anorexia, GI symptoms, anxiety
Presentation of benign rolandic epilepsy
Children; often during sleep or before waking, parasthesia of lips, slurred speech
Gonococcal arthritis
Rash on palms and soles of feet with a fever and arthritis
Pseudo vs gout under microscope
Gout: negatively bifringent crystals
Psuedogout: positively bifringent
Tumours likely to metastasise to bone
Thyroid Breast Lung Kidney Prostate
Presentation and usual precipitatant of toxic epidermal necrolysis
Affects 30-100% of body area, skin sloughs off easily (Nikolsky sign).
Drug induced often NSAIDs, methotrexate, steroids
When to perform lithotripsy in renal stones?
Uncomplicated, normal renal anatomy, <1.5cm
Presentation of viral conjunctivitis
Viral: Serous discharge, Recent URTI, Preauricular lymph nodes
Treatment for wet vs dry AMD
Dry: antioxidants
Wet: anti VEGF agents
Shadow on the red reflex or absent red reflex
Cataracts
Cause of Argyll-Robertson pupils
Diabetes, syphillus
Causes of papilloedema
space-occupying lesion: neoplastic, vascular malignant hypertension idiopathic intracranial hypertension hydrocephalus hypercapnia
Pupils in uveitis vs acute glaucoma
Uveitis: small, fixed oval pupil
Acute glaucoma: dilated pupil
Causes of chorioretinits and necessary tests?
Must do HIV test.
Causes syphilis cytomegalovirus toxoplasmosis sarcoidosis tuberculosis
How do episcleritis/scleritis present, and how to distinguish between them?
Both present with red, tearing eye.
Vessels blanch in episcleritis when phenylephrine drops are applied and is not painful, whereas scleritis IS painful
Presentation of optic neuritis
Pain, visual loss, loss of colour perception
RAPD and central scotoma
Presentation of chorioretinitis
Pizza pie appearance ; red and white retinal spots
Tunnel vision and night blindness?
Retinitis pigmentosa
Marfanoid and sudden loss of vision
Lens disclocation upwards
Ocular manifestations of RA
keratoconjunctivitis sicca (most common) episcleritis (erythema) scleritis (erythema and pain) corneal ulceration keratitis
Keith Wagner classification of hypertensive retinopathy
Grade 1: tortuous vessels, arteriolar narrowing, silver wiring
Grade 2: AV nipping
Grade 3: cotton wool exudates, flame/blot haemorrhages
Grade 4: papilloedema
Conjunctivitis tx in pregnant women
Topical fusidic acid
definitive treatment for acute angle-closure glaucoma
Laser peripheral iridotomy
Reversal of dabigatran
Idarucizumab
First line treatment of CML
Imatinib
CML presentation
Massive splenomegaly
Raised WCC
Anaemia
Presentation of immune thrombocytopenic purpura
Petichiae, purpura, bleeding (epistaxis)
First line management for ITP
oral prednisolone
Disseminated intravascular coagulation blood test picture
- Low platelets (as consumed)
- Low fibrinogen (fibrinolysis activated)
- High PT/APTT (prolonged bleeding times)
- High DD (fibrinogen degradation product)
Causes of DIC
sepsis
Trauma
Malignancy
Obstetric complications
Antidote for heparin
Protamine sulfate
Adrenaline dosing from children to adults
Of 1:1000
0-6: 150mcg
6-12: 300mcg
12 - adult: 500mcg
Opioids in CKD patients
Alfentanil, buprenorphine and fentanyl
Side effects of cyclophosphamide
Haemorrhagic cystitis
Side effects methotrexate
Liver fibrosis, myelosuppression, lung fibrosis
Side effects Vincristine
Peripheral neuropathy
Oral codeine to morphine conversion
Oral codeine to morphine (divide by 10). Therefore, oral codeine 10mg = oral morphine 1mg.
Breakthrough dose 1/6th.
Side effect doxorubicin
Cardiomyopathy
Machine like murmur radiating to the back
PDA
Presentation of RCC
Flank pain, haematuria, abdo mass. Hypercalcaemia and varicocele sometimes
Disorder affecting nails associated with lymphoedema or pleural effusion
Yellow nail syndrome
CHADSVAS
CHA2 DS2 VAS
CXR HTN Age >75(2) DM Stroke/TIA Vasc disease Age 65-74 Sex female
STEMI leads Inferior Anterolateral Anteroseptal Anterior Posterior
Inferior : II, III, avf Anterolateral: I, avl, v4-6 Anteroseptal: v2-4 Anterior: v2-6 Posterior: v1-v3, recip
Lymphocytosis and neutropenia with recurrent tonsillitis
EBV
STEMI management re PCI
PCI within 120 mins, or primary fibrinolysis within 12 hours if PCI can’t happen within that timeframe
Unfractionated heparin as part of PCI.
Drug management of HTN
<55 or t2DM: A, A+C OR A+D
> 55 or black: C, C+A OR C+D
Both then A+C+D
ACEIs have reduced efficacy in black people, so go for ARB instead
If treatment resistant and require a 4th drug, spiro if potassium <4.5, otherwise alpha/beta blocker
When would you give 3 back to back shocks?
Patient already on cardiac monitor and goes into VT/VF
Angina management
Beta blocker OR Rate limiting calcium channel blocker (eg diltiazem)
Do not coprescribe, consider asthma patients
Post MI medications
Beta blocker, ACEI, statin, aspirin, clopidogrel
What drug for AF and heart failure together?
Digoxin
When to stop ramipril re kidney function
Creatinine rise >30%
EGFR fall >25%
Swap to an ARB
Which artery corresponds to which MI location
Inferior - right coronary
Anteroseptal/lateral - LAD
Lateral - left circumflex
Hypokalaemia on ECG
Long QT and U waves
Tx of bradyarrythmias
If shocked - atropine IV
If stable - transcutaneous pacing
Components of GRACE score
Age, troponin, renal function, blood pressure
Persistent ST elevation following recent MI, no chest pain
Left ventricular aneurysm
What drug to avoid in HOCM
ACEIs
Statin dosing for first time
Atorvastatin
20mg primary prevention
80mg secondary
Tx for VT
If stable - Amiodarone
If not - synchronised cardioversion
COCP and cancer
Protects against ovarian and endometrial
Increased risk of breast and cervical
Post partum emergency contraception
Only 21 days post birth
EllaOne and Levonelle both okay as both are progesterone based
COCP UKMEC 4 Re smoking and breastfeeding
Age > 35 and >15 cigarettes per day
Breastfeeding <6 weeks PP is UKMEC4
POP vs desogestrel MOA
POP ; thickens cervical mucus
Desogestrel; inhibits ovulation
GDM management
BM <7: diet and exercise, if no improvement after 2 weeks, metformin
>7: insulin
Folic acid high risk dose and criteria
Anti epileptics, coeliac, diabetes, thalassaemia,BMI >30
5mg pre conception until w12
When does Downs screening happen in pregnancy
11-13+6 weeks (includes nuchal scan)
When does auto antibody and anaemia screening happen in pregnancy
28 weeks
congenital rubella triad
Sensorineural deafness, cataracts, pulmonary artery stenosis
HPV strains assoc with cervical cancer
16 , 18
Risk factors for ovarian cancers
Many ovulations, ie early menarche, late menopause, nuliparity
Mx of bleeding in early pregnancy
<6 weeks, expectant for threatened miscarriage if painless
> 6 weeks, refer to EPAU
Flexural and facial psoriasis tx
Steroids
Keloid tx
Intralesional triamcinolone
Normal ABPI values
0.9-1
Less than 0.9 suggests arterial insufficiency
Otitis externa, blepharitis and eczema like rash
Seborrhaeic dermatitis
Rosacea tx
mild/moderate: topical metronidazole
severe/resistant: oral tetracycline
direct immunofluorescence shows deposition of IgA in a granular pattern in the upper dermis
Dermatitis herpetiformis
Seborrhaeic dermatitis features and treatment
peri-orbital and nasolabial scaly rash associated dandruff
Topical ketoconazole
Lichen planus features
4 P’s
planus: purple, pruritic, papular, polygonal rash on flexor surfaces. Wickham’s striae over surface. Oral involvement common
Impetigo treatment and presentation
Golden crust lesion on lips
1st line: hydrogen peroxide
2nd line: topical fusidic acid
Flucloxacillin if severe
Causes of erythema multiforme,
Infections: herpes , Streptococcus, mycoplasma pneumoniae
drugs: penicillin, sulphonamides, carbamazepine, allopurinol, NSAIDs, oral contraceptive pill, nevirapine
disease:
SLE
sarcoidosis
malignancy
Onychomycosis treatment
Oral terbinafine
Lichen planus treatment
Topical steroids
Tx for capillary hemangioma
Propanolol
Medication to prescribe following SAH
Nimodopine to prevent vasospasm
Head injury, lucid interval
extradural (epidural) haematoma
Vasectomy failure rate and semen analysis follow up
1 in 2000
Semen analysis at 16 and 20 weeks
Breast cancer referral pathway on 2WW
aged 30 and over and have an unexplained breast lump with or without PAIN or
aged 50 and over with any of the following symptoms in ONE nipple only: discharge, retraction or other changes of concern
CT head within 8 hours criteria
age 65 years or older
any history of bleeding or clotting disorders
dangerous mechanism of injury
more than 30 minutes’ retrograde amnesia of events immediately before the head injury
1st line investigation for high PSA in suspected prostate cancer
Multiparametric MRI
Prostate cancer risk factors
increasing age
obesity
Afro-Caribbean ethnicity
family history: around 5-10% of cases have a strong family history
Tx for epididimoorchitis and unknown organism
IM ceftriaxone one off dose, 10 days doxycycline
Screening for abdominal aneurysms
One off USS at 65
Test of exocrine function in chronic pancreatitis
Faecal elastase
First and second line tx for BPH
Alpha 1 antagonists eg tamsulosin
5 alpha-reductase inhibitors e.g. finasteride (may take 6 months)
Anaesthetic with anti emetic properties
Propofol
Contraindication to donepizil
Bradycardia/sick sinus syndrome
Features of ankylosing spondylitis
6 As
Achilles tendonitis Amyloidosis AV node block Aortic regurgitation Anterior uveitis Apical fibrosis
management of patients following a fragility fracture
> 75y; bisphosphonates
<75: DEXA first
Severe side effect of hydroxychloroquine
Retinopathy
When to avoid prescribing sulfasalazine
Aspirin allergy
G6PD deficiency
Drugs that cause drug induced lupus
procainamide
hydralazine
Triad of reactive arthritis and triggers
Uveitis
Arthritis
Urethritis
However not always the case. Usually precipitated by GI infection or urogenital infection
Likely organism to cause osteomyelitis in sickle cell disease
Non typhi salmonella
Tinnitus, conductive hearing loss, family hx
Otosclerosis
Otitis external treatment
Mild: acetic acid
Severe (discharge, deafness) : abx and steroid
Drugs that cause tinnitus
Aspirin NSAIDS Aminoglycosides (Gentamicin) Furosemide Quinine
Antibiotics treatment for otitis external in diabetics
Ciprofloxacin
Centor criteria
presence of tonsillar exudate
tender anterior cervical lymphadenopathy or lymphadenitis
history of fever
absence of cough
Causes of gum hypertrophy
phenytoin, ciclosporin, calcium channel blockers and AML
PACC
Otitis externa in diabetics - antibiotic choice
Ciprofloxacin - cover for pseudomonas
Treatment of glue ear
None, allow to resolve for 6-12 weeks, UNLESS
Symptoms are significantly affecting hearing, development or education
Immediate referral in children with Downs syndrome or cleft palate
Smudge cells / smear cells on blood film
ALL
Haemophilia A is a deficiency in what factor ?
VIII - 8
Drugs causes colour changes to vision
Sildenafil - blue tint
Digoxin - green/yellow tint
Antidote to tricyclics in overdose
IV bicarbonate
Adverse effects of quinolones
(Eg ciprofloxacin)
Tendon damage
Reduced seizure threshold in epilepsy
Prolonged QT interval
Drugs to avoid in heart failure
“They Never Give Verapamil”
Thiazolididiniones (eg pioglitazone)
NSAIDs (except low dose aspirin)
Verapamil
Glucocorticoids
Amiodarone monitoring
TFTs and LFTs 6 monthly
Sodium valproate and pioglitazone monitoring
LFTs only
Diclofenac contraindications
Any CVD
Adrenaline doses in anaphylaxis and cardiac arrest
anaphylaxis: 0.5mg - 0.5ml 1:1,000 IM
cardiac arrest: 1mg - 10ml 1:10,000 IV or 1ml of 1:1000 IV
Preciptating factors of digoxin toxicity
HypoK
Renal failure
Some drugs,eg amiodarone, diltiazem, thiazides
What abx to stop with statins
Macrolides eg erythromycin
Minimum SSRI term and tapering
6 months
4 weeks of dose reduction
Cotard syndrome
Belief that they are dead or rotting
De Clerembault syndrome
Belief that someone of higher stature is in love with them
Ekbom syndrome
Delusional parasitosis
Othello syndrome
Delusional infidelity belief
NSAIDs and SSRI risk
Bleeding, always co prescribe PPI
Atypical anti psychotics
QORCAA
Quetiapine Olanzapine Risperidone Clozapine Aripiprazole Amisulpride
SSRI discontinuation symptoms
Sweating
GI symptoms
Paraesthesia
MOA of benzodiazepines
Enhance the effect of GABA
Anti psychotic risks in elderly
Stroke / VTE
Typical antipsychotics
Haloperidol
Chlorpromazine
SSRI post myocardial infarction
Sertraline
Drugs to avoid in breastfeeding
AC LAMBS Lithium Benzos Aspirin Amiodarone Carbimazole Methotrexate Sulphonylureas
First line treatment for primary dysmenorrhea
NSAIDs such as mefanemic acid
Hyperemesis gravidarum diagnostic criteria
5% pre-pregnancy weight loss
dehydration
electrolyte imbalance
Investigating infertility
> 12 months regular sex and <35
If >35, >6 months regular sex
When is expectant management of ectopic pregnancy indicated
Asymptomatic
No foetal heartbeat
bHCG<1000
Need for contraception after menopause
> 50, no periods for 12 months
<50, no periods for 24 months
Gestation week for:
- early scan to confirm dates
- Anaemia and auto-antibody screens
- Anti D given
- Anomaly scan
- 10-12 (and this is often done with Down’s screening, 11wks)
- 8 and 28
- 28 and 34
- 18 weeks
How long does Nexplanon provide protection for
12 months
Premature ovarian failure age
<40
Diagnostic thresholds for GDM
fasting glucose is >5.6 mmol/L
2-hour glucose is >7.8 mmol/L
Ménière’s disease treatment
Acute attacks: prochorperazine
Prophylaxis: beta histine
Diabetes diagnosis criteria
Fasting > 7
Random > 11
Hba1c >48
If asymptomatic need 2 readings
Conditions causing lower than expected hba1c
Sickle cell
G6PD
Hereditary spherocytosis
Diabetic drugs causing fourniers gangrene
SGLT2 inhibitors
When to commence third line therapy or insulin in T2DM
Hba1c above 7.5
Impaired fasting glucose and impaired glucose tolerance definition
IFG: 6.1 to 7
IGT: 7.8 to 11.1
MOA and example of SLGT2 inhibitors
Dapaglifozin
Prevent glucose reabsorption in kidneys
MOA and example of thiazolididiones
Pioglitazone reduces peripheral insulin resistance
Sulphonylurea MOA and example
Gliclazide increases insulin production
Gliptin MOA
reduce insulin resistance
Pioglitazone contraindications
Heart failure
Bladder cancer
Drug causes of raised prolactin
Think of p’s
MetocloPramide
DomPeridone
Phenothiazines
HaloPeridol
features of RA vs OA
OA - LOSS Loss of joint space Osteophytes Subchondral sclerosis Subchondral cysts
RA - LESS Loss of joint space Erosions Soft bones (osteoporosis/osteopenia) Soft tissue swelling
Dual antiplatelet therapy for people with acute STEMI having primary PCI
If not on anticoagulant: aspirin for life and prasugrel/ticagrelor
If already on anticoagulant/stable CAD: aspirin for life and clopidogrel
How to calculate osmolarity
2Na + urea + glucose
Calculate ion gap
Na - [HCO + CL]
Systematic scleroderma antibodies
Anti scl 70
Limited cutaneous systemic sclerosis antibodies
CREST
Anti centromere
Anti nuclear
Physiological changes of pregnancy
Hb and BP fall
Everything else rises
Mammogram screening programme
Every 3 years 50-70
NSTEMI tx
- Aspirin 300mg, if NOT FOR IMMEDIATE PCI, fondaparinux
- Assess GRACE score
- If <3%, ticagrelor
- If >3% PCI & prasugrel OR ticagrelor
STEMI tx
- Aspirin 300mg
- PCI within 120 mins, give prasugrel
- if not, thrombolyse with anti thrombin, followed by ticagrelor
Stroke Mx
If <4.5 hours, thrombolysis and thrombectomy
If <6 hours, thrombolysis
Asthma ladder <5y
- SABA
- SABA + 8wk trial of MODERATE dose ICS
- SABA + low dose ICS + LTRA
- Stop LTRA refer to specialist
Asthma ladder 5-16y
- SABA
- SABA + low dose ICS
- SABA + ICS + LTRA
- SABA + ICS + LABA
- SABA + low dose MART
- SABA + high dose MART