Medicine Flashcards
What is this rash called? Associated with what disease?
Erythema multiform (target lesions)
Herpes Simplex Virus
Right ear sensorineural hearing loss. Weber’s test?
Lateralises to left ear (normal ear)
Mx of haemodynamiccaly unstable PE?
Thrombolysis
Investigations for pheochromocytoma (2)?
Serum metanephrines
Confirmatory test: 24 hour urine metanephrines
Normal PT, low aPTT is what pathway and suggests what diseases (3)?
Instrinsic pathway
Unfractioned Heperin therapy
DIC
Haemophilia
Note: LMWH is monitored by Xa levels, not aPTT
Fever and this rash is what condition and caused by what?
Hand foot and mouth disease
Coxsackie A virus
COPD. Not managed alone with SABA. What next?
LAMA (tiotropium bromide) or LABA (salmeterol)
Meds that cause of high prolactin (3)
Dopamine antagonists: antipsychotics, metoclopramide
OCP
Most common CAP post viral illness?
Staph aureus
Do you use a T score or a Z score to dx osteoporosis? Cut off?
T score (compares to healthy population)
-2.5
Ipsilateral decreased pain and temperature sensation
Contralateral loss of pain and temperature sensation
Ataxia
Dysphagia
Hoarseness of voice
Lateral medullary syndrome / Wallenberg syndrome / PICA syndrome
(posterior inferior cerebellar artery)
Causes of microcytic anaemia (5)
TAILS
Thalassaemia
Anaemia of chronic disease
Iron deficiency
Lead poisoning
Sideroblastic anaemia
Example of class III antiarrhythmic
Potassium channel blockers
Amiodarone (but also blockers other classes)
ABx for moderate CAP?
Benzyl penicillin IV and azithromycin PO
HBsAg +
HBsAb (Anti-HBsAg) -
HBcAb (Anti-HBcAg) +
IgM Anti-HBc ++
What disease state?
Acute HBV infection
Differential dx (2)?
Impetigo (Staph aureus or GAS infection)
Eczema herpeticum (HSV 1 or 2)
Describe image. Diagnosis? Other features associated (4)?
Bihilar lymphadenpathy. (May have upper lobe involvement)
Sarcoidosis
African descent, erythema nodosum, lupus pernio (purple lesions of face), non caseating granulomas
Describe and dx?
Bilateral ground glass radio-opacities, ‘honey combing’
Thrombocytopenia + recent illness =?
Immune thrombocytopenic purpura (ITP)
Cardioselective beta blockers?
Bisprolol
Metoprolol XR
Carvedilol
Nebivolol
BCR-ABL is associated with which leukaemia?
CML
Ulnar nerve goes through what canal? (2)
Guyon’s canal as it passes through the wrist
Cuboidal as it goes through the elbow
South East Asia, high-grade biphasic fever, arthralgia, myalgia, headache, retro-orbital pain, Maculopapular, measles-like exanthem, lymphadenopathy. Dx?
Dengue fever
HBsAg +
HBsAb (Anti-HBsAg) -
HBcAb (Anti-HBcAg) +
IgM Anti-HBc -
What disease state?
Chronic HBV infection
What needs to be done for airway in ALS?
Conscious: are they talking?
Unconscious: ensure no obstruction, jaw thrust
High calcium
High PTH
Next investigations (2)?
Diff dx (3)?
Next investigations: Phosphate levels and urinary calcium
Diff dx:
Primary hyperparathyroidism (High calcium, high PTH, low phophate, high urinary calcium)
Familial hypocalciuric hypercalcaemia (High calcium, normal-high PTH, low urinary calcium)
Tertiary hyperparathyroidism (High calcium, High PTH, High phosphate as kidneys not working well)
Recurrent DVTs, Anticagulation for how long?
Life long
What is this and what organism is this associated with?
Kaposi’s sarcoma
Human herpesvirus 8 (HHV 8)
alpha-1-antitrypsin deficiency pulmonary function tests
Obstructive in young person
FEV1 reduced
FEV/FVC reduced
Investigations for DI? (3)
Low urine osmolarity
Water deprivation test (DI will cont to have dilute urine)
Give desmopressin (Central will concentrate urine, nephrogenic will continue to be dilute)
Splenomegaly + tear shaped cells on blood smear?
Primary myelofibrosis
Reactive arthritis features ?
Can’t see, Can’t pee, Can’t climb a tree
Reiter’s syndrome (urethritis, conjunctivitis and arthritis) following a gastro illness.
Typically develops within 4 weeks of initial infection
Asymmetrical oligoarthritis of lower limbs
Keratoderma blennorhagicum
Acoustic neuroma clinical features?
(Like Meniere disease but with cranial nerve disturbance)
Unilateral sensorineural hearing loss
Tinnitus
Vertigo
Unsteady gait
Cranial nerve disturbances, such as facial numbness or weakness
Features of Steven-Johnson Syndrome? (3)
Occurs 1-3 weeks post medication exposure
Painful skin sloughing
Positive Nikolsky sign (upper dermis sepeates fom dermis (and creates blister) when shearing force applied)
Contraindication for cholchicine?
Myelodysplasia
What is this disease? Three other associations?
Measles
3C’s: cough, conjuntivitis, Koplick spots
SVT mx? (3)
Vagal manoeuvres
Adenosine
Verapramil
Systemic disease risk factors for osteoporosis (4 + 1)?
CKD
Hyperparathyroidism
Hyperthyroidism
Premature menopause
+ any disease that requires corticosteroids (RA, SLE)
Most common CAP in immunosupressed?
Pneumocystis pneumonia
Unstable bradycardia mx?
Pacing + ICD
Mx of acute RF?
Acute eradication of GAS: oral penicillin V
Long term prophylaxis with benzothine penicillin G
10 years or until 21 years old (whichever is longer)
PT is a measure of what factors?
Extrinisc pathway (VII) + common pathway (I, II, V, X)
Effect of hypocalcaemia of membrance excitability?
Clinical features? (2)
Increases membrane excitability
Paresthesias, carpopedal spasm,
If this is confined to the face and trunk, what disease is this (and differential)?
Rubella (pruritus, tender lymphadenopathy)
Diff dx: measles (no pruritus, cough, coryza prodrome, conjunctivitis, Koplick spots)
Bihilar lymphadenopathy and erythema nodosum associated with what?
Sarcoidosis
Example of class IV antiarrhythmic
Channel blockers
Cardioselective dihydroridine: verapramil
Mx for serotonin syndrome?
Supportive care: IVT, antihypertensives, cooling measures
Chlorpromazine 25mg intravenous
What’s this visual field called and what causes it?
Left homogenous superior quadrantanopia
Caused by contralateral side temporal stroke
Provoked PE. Anticagulation for how long?
Provoked (provoking factor gone) = 3 months therapy
Dx and mx?
Seborrhoeic dermatitis
Topical ketoconazole
Thyroid cancer associated with MEN-2 gene?
Medullary (calcitonin cells)
Starting (and max) dose for metoprolol extended release?
23.75mg (up to 190mg)
Manage ‘wearing off’ effect in Parkinson’s Disease?
Decrease dose and more frequent levodopa
Change to modified-released levodopa
Reversal of clopidogrel?
Desmopressin
Acute management of ACS?
MONA BASH C
Morphine
Oxygen if O2 sats <90%
Nitrates (expect right ventriclar infarction)
Aspirin
Beta blocker
ACE inhibitor
Statin
Heparin
Clopidogrel
Long QT; drug causes (3)
Haloperidol + antipsychotics, macrolides (erthromycin), TCA
Aphasia types and which side the stroke is on?
Broca’s: Expressive (producing language)
Wernicke’s: Receptive (understanding language)
Dominant hemisphere (ie LHS if right handed) MCA stroke
Signs of vit B12 deficiency (5)
Decreased vibration sense, decrease proprioception sense, paraesthesias, cerebellar signs (ataxia), delirium
Normocytic anaemia blood smear shows bite cells + Heinz bodies. What disease?
Haemolytic anaemia - Glucose-6-phosphate dehydrogenase deficiency
Zones of adrenal gland and what they produce.
Most common CAP in alcoholics?
Klebsiella pneumoniae
Testing for HIV?
HIV antibody immunoassay (ELISA) + p24 antigen (or combinaion antigen/antibody test)
Positive 2-6 weeks post exposue; test at initial presentation and 3 months later
Confirmation: HIV 1/2 differentiation testing or NAAT
Mx for Graves disease (2)?
Carbimazole
PTU
MEN-2 gene associated with what cancers (2)?
Medullary thyroid cancer (calcitonin) and pheochromocytoma
Example of class II antiarrhythmic
Beta blockers
Metoprolol
Hodgkin’s lymphoma is associated with what cells?
Reed-Sternberg cells
Causes of high anion gap metabolic acidosis (6)?
KUSMAL
Ketoacidosis
Uraemia in kidney failure
S (aspirin)
Metformin
Alcohol
Lactic acidosis
Mx of sarcoidosis? (2)
50% spontanous remit
Corticosteroids
Infliximab
Thrombocytopenia + recent GIT illness + jaundice + renal damage = ?
Haemolytic uremic syndrome (HUS)
Intention tremor (worse in terminal stages of movement), not present at rest. Dx?
Cerebellar tremor + slurred speech, nystagmus,
incoordination, wide based gait
Which diabetes medication causes euglycamic DKA?
SGL2 inhibitors (-giflozin)
Empagliflozin, dapagliflozin
What could this rash be in a child?
Meningococcal meningitis (Neisseria Meningiditis): look for fever, neck stiffness, headache
Henoch-Scholein Purpura: look for recent URTI illness, rash on buttocks, arthalgia + limp, colicky abdominal pain
Mx for partial seizures and side effect?
Carbamazepine (hepatotoxicity)
What is this condition called and associated with (3)?
Erythema nodosum
SORE SHINS
Streptococci pharyngitis
Oral contraceptive pill (OCP)
Rickettsia
Eponymous (Behçet)
Sulfonamides
Hansen’s Disease (Leprosy)
IBD (Crohn’s disease)
Non-Hodgkin’s lymphoma
Sarcoidosis
What needs to be done for circulation in ALS?
Conscious: BP, HR, ECG, ABG, 2x large bore cannulas +/- IVT
Unconscious: Compressions 30:2 with bag and mask, defibrillator
aPTT is a measure of what factors?
Instrinsic pathway (VIII, IX, XI, XII) + common pathway (I, II, V, X)
Serology to test for Coeliac disease (2)?
Anti-tissue transglutamase antibodies
Anti-gladin antibodies
Alcohol cessation medicaiton (3)
Disulfiram (best) Prevents alcohol metabolism. Must NOT have alcohol with this medication (causes aldehyde reaction)
Acamprosate reduces withdrawal symptoms
Naltrexone (less pleasure from alcohol)
Tremor: bilateral, action-based, positive family history. Dx, mx?
Essential tremor
Propranolol
Extensive red/purple skin lesions over eyes and nasolabial folds, associated with what disease?
Lupus pernio, associated with sarcoidosis
Physical exam test for psoriasis?
Auspitz sign (rub of scale and pin point bleeding occurs)
Causes of polycythemia?
Polycythemia vera
Smoking, COPD, CHF, high altitude, or increased EPO production, in renal cell carcinoma
Best acute pain meds in renal impairment? (2)
Oxycodone and fentanyl
Avoid morphne and tramadol as renally cleared
Diabetes medications contraindicated in ESRF? (2)
Metformin (lactic acidosis)
SGLT-2 inhibitors (-gliflozin) (won’t work well and euglycaemic DKA increases). It is renal protective before ESRF
Causes of macrocytic anaemia (2)
Vit B 12 deficiency (ie pernicious anaemia), folate
Tests for acromegaly (2)
Insulin like growth factor
Oral glucose tolerance test
What is this and what disease is it associated with?
Lichenification and adult atopic dermatitis (eczema)
Starting (and max) dose for perindopril?
5mg daily (up to 10mg)
Unprovoked PE. Anticagulation for how long?
Unprovoked = 3 months therapy + review
Investigations for Conn’s syndrome (2)
Is it renal artery stenosis/fibromuscular dysplasia or conn’s syndrome? Aldosterone:Renin ratio
Confirmation test: Salt supression (give salt, does aldosterone go down) If not -> Conn’s syndrome
What is this, what does it represent and what conditions is it prominant?
S4
Hypertrophic ventricle (hitting stiff walls)
Aortic stenosis, chronic HTN
What is this disease?
Atopic dermatitis (eczema)
Small Cell Lung Cancer associated with what paraneoplastic syndrome? Where is the cancer located?
ACTH (Cushings)
Central location
Altered mental state in alcoholic.
Diff dx (4) and mx?
Hepatic encephalopathy (+asterixis: ammonia toxicity in any severe liver disease) - Mx: lactulose
Wernicke’s encephalopathy (+oculomotor issues, ataxia: thiamine B1 deficiency in alcoholic specifically)
Mx: IV thiamine
Korsakoff’s syndrome (+amnesia and confabulation, hallucinations)
Mx: oral thiamine to prevent progression but irreversible
Alcohol withdrawal (+agitation, alcohol abstinence ie post surgery)
Mx: benzodiazepines
Smudge cells are associated with what leukaemia?
CLL
Causes of upper lobe DPLD/ILD? (6)
SCHART
Sillicosis
Coal worker’s pneumatosis
Histiocytosis
Anklylosing spondylitis
Radiation
Tuberculosis
What is this, what does it represent and what conditions is it prominant?
S3
Blood filling a large space in dilated cardiomyopathy
Ischemic dilated cardiomyopathy/ heart failure with reduced ejection fraction
ACS; when can you use thrombotic agents (plaminogen activator: tPA)?
Within 30 minutes of presentation
3 differential dx for this rash?
Contact dermatitis
Atopic dermatitis
Psoriasis
Iron studies for iron deficiency anameia?
Ferritin reduced (expect acute phase reactant)
Transferrin increased
Total iron capacity increased
Transferrin saturation decreased
TB investigations:
Tuberculin vs sputum microbiology
Tuberculin skin test assesses previous exposure via vaccine/latent infection
Sputum microbiology for active infection
This started on neck and spread to armspits and groin.
What is the disease? What is it caused by?
Scarlett fever
GAS
New York classification of HF
I: no symptoms of CHF
II: comfortable at rest
III: only comfortable at rest
IV: symptoms at rest
Melanoma biopsy. Breslow depth: 0.5mm. What excision margin does it need?
Beslow depth <1.0 mm -> 1cm margin
Ventricular tachycardia mx?
Amiodarone
Prevention of oesophageal bleeding? (3)
Propanolol
Oesophageal banding
If bleeding will kill before other liver complications (ie Wernicke’s encephalopathy) -> TIPS
Vit B12 deficiency associated with what conditions? (3)
Crohn’s disease (poor abosprtion)
Pernicious anaemia (no absorption)
Bariatric sugrery (no absorbtion)
Plethora, bruising, dizziness. High Hb. Dx, Mx?
Polycythaemia Vera
Venesection
Stable but symptomatic 1st and Mobitx Type I mx?
Atropine
What is this disease?
Atopic dermatitis (eczema)
TB management and adverse effects?
RIPE
Rifampin (CYP inducer, RED bodily fluids)
Isoniazid (Peripheral polyneuropathy (synergistic with B6 deficiency), optic neuritis, hepatotoxic). Give B6 to prevent neuropathy
Pyrazinamide (Hepatotoxic, hyperuricemia + gout, arthralgia)
Ethambutol (Optic neuritis and red/green colour blindness)
Effect of hypercalcaemia of membrance excitability?
Clinical features? (4)
Decreases membrane excitability
Moans: abdo pain, pancreatitis
Bones: bone pain
Psych overtones: anxiety, depression, sleep disturbance
Stones: nephrolithiasis
Blood smear shows Auer rods?
AML
Initial mx of HIV ?
x2 nucleoside/nucleotide reverse transcriptase inhibitors (NRTIs)
x1 integrase strand transfer inhibitor (INSTI)
(dolutegravir+abacavir+lamivudine)
Start as soon as diagnosed
Dx, mx?
Ankylosing spondylitis
Exercise + NSAID
2nd line is biologicals (-mabs)
Mx of asthma (3)
Check technique of current medications
SABAs/short acting beta agonists (salbutamol)
Add low dose-ICS (beclomethasone)
Then add LABA (long acting beta agonists) (always with ICS)
Metabolic alkalosis causes (2)?
H+ out of the Head = vomiting
Diuretics
What is this called and what disease is it associated with?
Koplick spots
Measles
Whats this disease?
Tinea corporis
DKA managament?
Fluid replacement++
Potassium supplementation (despite apparent hyperkalaemia)
Low dose IV insulin
Regular monitoring of volume status, serum glucose, serum electrolytes, and acid-base status
What is this condition?
Mongolian spots
APO managament? (5)
O2
Sit patient forward
IV frusemide
GTN spray
ACE inhibitor
Mx for central and nephrogenic DI?
Central: desmopressin
Nephrogenic: thiazide diuretics
Rash on web spaces of hands and feet. Dx, Ix?
Scabies
Skin scraping for microscopy
Severe headache, N/V and eye redness, halos
around lights, unilateral reduced visual acuity. Dx, Ix?
Acute glaucoma
Acetazolamide
What is this rash called and how long will it take to form?
Differntial dx in children? (2)
Morbilliform drug reaction after 14 days post exposure
Measles (cough, coryza prodrome, conjunctivitis, Koplick spots)
Rubella (tender lymphadenopathy)
What’s this condition?
Cherry haemangioma
ECG bradycardia with irregular rhythm?
HB 2 Mobitz type 1
Signs of previous STEMI (2)
T wave inversion (weeks), Q waves (forever)
What disease is this and other features (3)?
Chickenpox (Varicella Zoster Virus)
Pruritis
Mild fever
Scalp, mouth involvement
Self limiting 8 days