Module 5 Antiarrhythmics

Question 1

Vaughn Williams classifications 1-4

Answer 1

1. sodium channel blocker
2. BB
3. K-channel blocker
4. CCB

Question 2

4 beta blockers used for arrhythmias

Answer 2

propanolol
sotalol
acebutol
esmolol

Question 3

Potassium channel blockers

Answer 3

amiodarone
dronedarone
sotalol
dofetilide
ibutilide

Question 4

Quinidine indications

NA blocker

Answer 4

svt, a-flutter/fib

doubles Dig levels

Question 5

Mexiletine (PO lidocaine) use

Answer 5

pvc’s, svt

accelerate repolarization

Question 6

Flecainide & Propafenone

Answer 6

can excacerbate and create arrhtymias

Question 7

Potassium channel blocker and use

Answer 7

amiodarone
-for life threatening ventricular dysrhtythmias only, recurrent v fib, unstable vtach
(need xray and thyroid checked)

Question 8

Calcium channel blocker uses

Answer 8

verapamil and diltiazem

afib/flutter, terminate svt d/t reentrant circuit

Question 9

Lanoxin (digoxin) use

Answer 9

primary indication is HF but also for Supraventricular dysrhythmias NOT ventricular arrhythmias

Question 10

Lidocaine!, phenytoin!, procainamide

Answer 10

alternative for cardioversion for ventricular dysrhythmias

Question 11

Lidocaine!, phenytoin!, procainamide

Answer 11

alternative for cardioversion for ventricular dysrhythmias