Flashcards in Cardio Deck (35):
DVT prophylaxis on flights
-no need to give aspirin
Causes of Torsades de pointes
Management of torsades de pointes
IV magnesium sulphate
Treatment of asymptomatic first degree heart block
No treatment needed
Most common congenital heart defect found in adulthood
Atrial septal defect
What is bad about having an atrial septal defect in adulthood?
Can allow a clot to pass from the venous system to the left side and cause a stroke
How might atrial myxoma present?
Fever of unknown cause
Which valve usually affected in endocarditis in drug user?
What is takayasu's areteritis associated with?
Renal artery stenosis
Cannot drive for 4 weeks
(if stent inserted I think perhaps 1 week)
JVP and inspiration?
JVP falls during inspiration
Kussmaul's sign positive?
When the JVP doesn't fall on inspiration
- seen in constrictive pericarditis
Alcohol and warfarin?
Chronic alcoholism increases the metabolism of warfarin
(i.e. INR will be low, might have to increase dose)
Why is leviteracetam good?
Does not have an effect on the cytochrome P450 system
When should you take a statin?
Last thing in the evening - majority of cholesterol synthesis takes place at night
Inferior MI and aortic regurgitation murmur
Consider proximal aorta dissection
Which antibiotic can cause QT prolongation?
-long QT can trigger polymorphic ventricular tachycardia
What is Sydenham's chorea?
Complication of Group A -beta haemolytic strep (e.g. rheumatic fever)
Presents with abnormal movements e.g. facial muscles and arm movements
This drug commonly causes thrombophlebitis
Half-life of amiodarone?
Why can amiodarone cause arrhythmias?
Prolongs QT interval
Amiodarone and warfarin?
Amiodarone decreases the metabolism of warfarin
What do you need to do when INR <2?
Need immediate anticoagulation e.g. with LMWH
What type of diuretic should you use in hypertension?
Should use indapemide instead of thiazide-like diuretics
Normal left ventricular ejection fraction?
(may be reduced in dilated cardiomyopathy)
What can you measure following acute anaphylaxis?
Can measure serum tryptase
How does nicorandil work?
Potassium channel activator
Side effects of nicorandil
LFTs at baseline, 3 months and 1 year
Which organism causes rheumatic fever?
Adenosine half life
What helps decide whether glycoprotein IIb/IIIa receptor antagonists should be used?
High GRACE risk score and whether a percutaneous intervention is going to be performed
What ECG changes are associated with Wolff-Parkinson white syndrome?
Short PR interval and delta waves
CXR finding in coarctation of the aorta?
Rib notching is present in about 70% adults with coarctation of the aorta