antidysrythmics

Question 1

4 main classification groups of antidysrhythmias

Answer 1

1. sodium channel blockers
2. beta-adrenergic blockers
3. potassium channel blockers
4. calcium channel blockers

Question 2

the major concern for antidysrhymic medications

Answer 2

toxicity

Question 3

what is disopyramide only used for?

Answer 3

only used for ventricular dysrythmias – limited use because of ADRS

Question 4

what to give a patient who has a digoxin-induced dysrhythmia?

Answer 4

Phenytoin

Question 5

the action of beta blockers

Answer 5

Depress the cardiac action potential to control
dysrythmias
(slow the heart rate)

Question 6

what kind of toxicity do class III antidysrhythmics cause?

Answer 6

pulmonary toxicity

Question 7

what is digoxin used to treat?

Answer 7

supraventricular dysrythmias (SVT)

Question 8

The antidysrhythmic drug lidocaine is used mainly for the treatment of

Answer 8

ventricular dysrhythmias

Question 9

Possible adverse effects of amiodarone include

Answer 9

pulmonary toxicity
hypothyroidism
visual halos

Question 10

drugs in the Ic antidysrythmic drug class

Answer 10

Propafenone

flecainide