Cardiology Flashcards
First and second line management of stable angina?
- Bisoprolol/Verapamil
- Bisoprolol + nifedipine
Nicorandil: 1. Mechanism of action, 2. Major associate adverse reaction?
- Potassium channel activator
- GI ulceration
Nicorandil: 1. Mechanism of action, 2. Major associate adverse reaction?
- Potassium channel activator
- GI ulceration
- What is printzmetal angina?
- notes on medical Rx?
- coronary artery spasm causing chest pain at rest
- BB CI, use dihydropyridines
persistent ST depression and LVF post-MI is indicative of what?
LV aneurysm
Two post-MI complications more common in inferior MIs?
complete heart block (no pacing needed), acute MV regurgitaiton
3 groups of drugs that should be avoided in HF?
- -ve inotropes e.g. verapamil
- drugs causing fluid retention e.g. steroids
- class 1 antiarrhymics e.g. flecanides
acute medical Rx of SVT, should valsalva manoeuvre is unsuccessful
IV bolus of adenosine, 6/12/18mg (to increase if unsuccessful)
How should amiodarone be commenced and why
At a loading dose due to long half-life
6 main adverse reactions of amiodarone?
- thyroid dysfunction
- lung fibrosis
- liver fibrosis
- prolonged QT
- peripheral neuropathy
- photosensitivity
What is type 2 amiodarone-induced thyrotoxicosis and how should it be treated?
a destructive thyroiditis that requires cessation + steroids
5 features of digoxin toxicity?
- bradycardia/AV block
- yellow tinged vision
- confusion
- GI upsets
- gynaecosmatia
3 ECG features of digoxin toxicity?
- down sloping ST depression (reverse tick)
- short QT
- T wave inversion
1st-3rd line Rx for life-threatening bradycardia?
- atropine 500mcg up to 3mg
- isoprenaline/adrenaline infusion
- transcutaneous pacing
cannon a wave in seen in…?
AV dissociation e.g. VT, CHB, junctional rhythm