amiodarone

Question 1

M?

Answer 1

Blocks sodium, calcium and potassium channels and antagonists of a/b adrenergic receptors-less spontaneous DP, slows conduction speed, increases resistance to DP in AVN-lower VR, and makes sinus rhythm, breaks re-entry circuits

Question 2

I?

Answer 2

Tachyarrhythmias-AF, a flutter, SVT, VT and VF-not first line

Question 3

C?

Answer 3

hypotension, heart block, active thyroid disease, digoxin, CCB

Question 4

A?

Answer 4

hypotension, pneumonitis, bradycardia, AV block, hepatitis, photosensitivity and grey skin, thyroid problems, long half-life