Antiarrhythmics - Class 2 and 4

Question 1

what are class 2 antiarrhythmics known as

Answer 1

Beta Blockers

Question 2

what nervous system do class 2 antiarrhythmics block

Answer 2

sympathetic

Question 3

Three things that class 2 antiarrhythmics decrease/reduce

Answer 3

cardiac conduction time
blood pressure
cardiac output

Question 4

four indications for class 2 antiarrhythmics

a_____ a______
v_____ a______
h______ c______
systemic _______ and ______ in cats

Answer 4

atrial arrhythmias
ventricular arrhythmias
hypertrophic cardiomyopathy
Systemic hypertension and hyperthyroidism in cats

Question 5

what are class 4 antiarrhythmics known as

Answer 5

calcium channel blockers

Question 6

two mechanisms of action for class 4 antiarrhythmics

Answer 6

Block calcium channels
Decreased automaticity-transmission

Question 7

three indications for Verapamil

______ tachycardia
_____ flutter
_____ fibrillation

Answer 7

Supraventricular tachycardia
Atrial flutter
Atrial fibrillation

Question 8

two indications for Diltiazem

_____tachycardia
________ cardiomyopathy in _____

Answer 8

Supraventricular tachycardia
Hypertrophic cardiomyopathy in cats