Antiarrhythmics Drugs to Know and MOA

Question 1

Lidocaine

Answer 1

Class IB Na channel blockers

Question 2

Amiodarone

Answer 2

Class III ( K channel Blockers )

Question 3

Verapimil

Answer 3

Class IV Ca channel blockers

Question 4

Sotalol

Answer 4

Class III ( K channel Blockers )

Question 5

Potassium

Answer 5

Other Antiarrhythmic Drugs

Question 6

Dofetilide

Answer 6

Class III ( K channel Blockers )

Question 7

Ibutilide

Answer 7

Class III ( K channel Blockers )

Question 8

this class of drugs is a beta blocker; it inhibits phase 4 depolarization in SA and AV node

Answer 8

Class II drugs

Question 9

this class of drugs is a Na channel blocker; it slows phase 0 depolarization in ventricular muscle fibers

Answer 9

Class IC drugs

Question 10

this class of drugs is a Na channel blocker ; it shortens phase 3 repolarization in ventricular muscle fibers

Answer 10

Class IB drugs

Question 11

Dronedarone

Answer 11

Class III ( K channel Blockers )

Question 12

Adenosine

Answer 12

Other Antiarrhythmic Drugs

Question 13

Propafenone

Answer 13

Class IC Na channel blockers

Question 14

Esmolol

Answer 14

Class II Beta Blockers

Question 15

Mexiletine

Answer 15

Class 1B Na channel blockers

Question 16

Magnesium

Answer 16

Other Antiarrhythmic Drugs

Question 17

This class of drugs is a Ca channel blocker; it inhibits action potential in SA and AV nodes

Answer 17

Class IV drugs

Question 18

this class of drugs is a Na channel blocker; it slows phase 0 depolarization in ventricular muscle fibers

Answer 18

Class IA drugs

Question 19

This class of drugs is a K channel blocker ; it prolongs phase 3 repolarization in ventricular muscle fibers

Answer 19

Class III drugs

Question 20

Flecainide

Answer 20

Class IC Na channel blockers

Question 21

Procainamide

Answer 21

Class IA Na Channel Blockers

Question 22

Disopyramide

Answer 22

Class IA Na Channel Blockers

Question 23

Quinidine

Answer 23

Class IA Na Channel Blockers

Question 24

Diltiazem

Answer 24

Class IV Ca channel blockers

Question 25

Propanolol

Answer 25

Class II Beta Blockers