Amiodarone Flashcards
1
Q
Drug Class
A
Class 3 anti arrhythmic
2
Q
Common Indications
A
v wide spectrum for most arrythmias
CXR before start as baseline & LFT/TFTs
3
Q
Mechanism of Action
A
blocks K channels to prolong refractory period and AP duration
affects Na and B/Ca block
4
Q
Adverse Effects
A
Pulmonary Fibrosis Hepatic Injury Increase HDL cholesterol Thyroid disease (as amiodarone has similar structure to thyroid) rarely photosensitivity & optic neuritis
5
Q
Drug Interactions
A
may not reduce dose of digoxin
monitor warfarin closely
