Pass med and general Flashcards
Fungal meningitis in immunosuppressed
Cryptococcal meningitis - yeast encapsulating - sex worker
Examination findings constitant with ankylosing spondylitis
Schober’s test <5cm
Investigation findings for SLE
Positive Anti-dsDNA and anti-smith antibodies, Low levels for C3 and C4
Genetic cause of Marfans syndrome and hw do you monitor
Marfan’s syndrome is an autosomal dominant connective tissue disorder. It is caused by a defect in the FBN1 gene on chromosome 15 that codes for the protein fibrillin-1. It affects around 1 in 3,000 people.
Monitor via regular echo
Give BBlocker and Losartan for ACE-I as it decreases TGF-B
What does chest pain with ECG changes in all leads and a small rise in troponin mean?
All coronary territories points away from ACS.
Small rise in troponin points to pericarditis
What type of pericarditis does ureamia cause?
fibrinous pericarditis
Specific ECG changes in pericarditis
widespread ‘saddle-shaped’ ST elevation
PR depression: most specific ECG marker for pericarditis
Imaging in non massive PE, with no renal failure
Computed tomographic pulmonary angiography (CTPA)
Periarticular erosions are seen in
rheumatoid arthritis
X-ray changes of osteoarthritis
decrease of joint space
subchondral sclerosis
subchondral cysts
osteophytes forming at joint margins
Electrolyte imbalance associated with sertraline
SSRIs are associated with hyponatraemia
What are the shockable rhythms in cardiac arrest?
VF and pulsless VT pVT - If VF/pVT persists, only after a third shock should adrenaline 1 mg IV and amiodarone 300 mg IV be administered.
How long before surgery should warfarin be stopped?
Five days in general - INR has to be bellow 1.5
Ankylosing spondylitis features
Ankylosing spondylitis features - the 'A's Apical fibrosis Anterior uveitis Aortic regurgitation Achilles tendonitis AV node block Amyloidosis
TB drug that can induce lupus
Isoniazid
confusion and pink mucosae are typical features of
carbon monoxide poisoning
What drugs decrease lithium levels?
sodium bicarbonate and aminophylline
Common side effects of bisphosphonates
Eosophageal problems
… can be added as a second line treatment for rate control in atrial fibrillation
Digoxin
Diagnosis of Orthostatic hypotension
Orthostatic hypotension can be diagnosed when there is a drop in SBP of at least 20 mmHg and/or a drop in DBP of at least 10 mmHg within 3 minutes of standing
Patient taking antibiotics with new onsent of An ECG shows polymorphic ventricular tachycardia (torsades de pointes).
Clarithromycin can cause QT interval prolongation and therefore may trigger polymorphic ventricular tachycardia, particularly in patients with an underlying channelopathy.
Penicillamine can cause what in a patietn with wilsons disease
membranous glomerulonephropathy and therefore prominent bilateral leg swelling and periorbital oedema.
Fever on alternating days
Malaria
Four myxoedemic coma signs
Hypothermia, hyporeflexia, bradycardia and seizures, think
Renal disease caused by penicillin
acute interstitial nephritis
Eosinophilic casts in urine are a sign of … usually caused by ….
tubulointerstitial nephritis, usually caused by drug reactions
Antibiotics that cause Rhabdomyolysis o
erythromycin
High anion gap means high which type of acid?
Organic acid
What type of acidosis is anion gap useful in?
Metabolic
What are the causes of high ion gap acidosis?
Lactic acidosis(Shock, salicylate), ketoacidosis, methanol poisoning, ethylene glycol poisoning
What are the causes of a normal ion gap acidosis?
Renal Tubular acidosis and diarrhoea
What can a normal ion gap acidosis be referred to?
Hyperchloraemic acidosis
Anti psychotic most linked to prolong QT
Halaperidol
Clozapine adverse effect
agranulocytosis
Acronym for mechanism of benzos and barbituates
Frequently Bend - during barbecues
- Benzos increase frequency of chloride
Barbiturates increase duration of chloride
Starting Fluoxetine from another SSRI
Stop SSRI and then start, if moving from fluoxetine wait seven days on nothing.
ECT side effects
headache nausea short term memory impairment memory loss of events prior to ECT cardiac arrhythmia
Side effects of lithium
nausea/vomiting, diarrhoea
fine tremor
nephrotoxicity: polyuria, secondary to nephrogenic diabetes insipidus
thyroid enlargement, may lead to hypothyroidism
ECG: T wave flattening/inversion
weight gain
idiopathic intracranial hypertension
Lithium levels required
0.4-1.0 mmol/L
What two organs are effected by lithium
kidneys and thyroid - hypothyroid
Mirtazapine side effects and what patients you give it to
sedative and increased apatite. Good for elderly patients. a2 antagonist
Non-selective monoamine oxidase inhibitors side effect
Cheese reaction - avoid tyramine
Bromocriptine is a treatment for
galactorrhoea
According to current NICE guidelines on the management of DKA, the infusion of insulin should be
0.1 unit/kg/hr
Thiazolidinediones are absolutely contraindicated in
Heart failure`
prolactinoma first line medical treatment
Dopamine agonist such as bromocriptine
optimal treatment in HNF1A-MODY
Sulfonylureas
Atrial fibrillation cardioversion drugs
amiodarone + flecainide
Progressive multifocal leukoencephalopathy is caused by
the JC virus or BK virus
Factor V Leiden mutation results in
activated protein C resistance
Gait ataxia is caused by
cerebellar vermis lesions
Myelodysplasia may progress to
acute myeloid leukaemia
Antibiotics for acites with protein of 15 or less
oral ciprofloxacin
Large vessel arteritis in woman
Takayasu’s arteritis
What respiratory drug increases lactate?
salbutamol
How to differential left and right heart failure?
You only get pulmonary oedema in Left sided heart failure, although chronic pulmonary oedema can then cause right sided heart failure think cor pulmonale
Where is BNP made?
Ventricles
Referral for BNP between 400-2000
six week cardiology
Referral for BNP over 2000
Two week wait cardiology
What can you use as a substitute for spironolactone
Eplerenone
Side effects of ACE- I
cough due to bradykinin, postural hypotension and angioedema which can look like anaphylaxis
Drug if patient in AF with HF
Digoxin
Blood cultures or antibiotics first if septic?
Blood cultures if you can still give antibiotics within an hour
What type of organisms normally cause UTIs and Pylionephritis
Gram negative rods e.g e. coli
How to protect kidneys if giving contrast
Give fluids