Antiarrhythmic Agents

Question 1

Procainamide

Answer 1

Class 1A Antiarrhythmic

Local anesthetic- Na+ channel blocker

Question 2

Quinidine

Answer 2

Class 1A Antiarrhythmic

Local anesthetic- Na+ channel blocker

Question 3

Disopyramide

Answer 3

Class 1A Antiarrhythmic

Local anesthetic- Na+ channel blocker

Question 4

Lidocaine

Answer 4

Class 1B Antiarrhythmic

Local anesthetic- Na+ channel blocker

Question 5

Mexiletine

Answer 5

Class 1B Antiarrhythmic

Local anesthetic- Na+ channel blocker

Question 6

Phenytoin

Answer 6

Class 1B Antiarrhythmic

Local anesthetic- Na+ channel blocker

Question 7

Flecainide

Answer 7

Class 1C Antiarrhythmic

Local anesthetic- Na+ channel blocker

Question 8

Propafenone

Answer 8

Class 1C Antiarrhythmic

Local anesthetic- Na+ channel blocker

Question 9

Amiodarone

Answer 9

Class III Antiarrhythmic

Na+, K+, Ca++, Beta-1 antagonist

Question 10

Dronedarone

Answer 10

Class III Antiarrythmic

Na+, K+, Ca++, Beta-1 antagonist

Question 11

Sotalol

Answer 11

Class III Antiarrythmic

Beta-1, K+ channel antagonist

Question 12

Ibutilide

Answer 12

Class III Antiarrythmic

Selective Ikr blockers

Question 13

Dofetilide

Answer 13

Class III Antiarrythmic

Selective Ikr blockers

Question 14

Verapamil

Answer 14

Class IV Anitarrhymthmic

Calcium channel blocker

Question 15

Diltiazem

Answer 15

Class IV Antiarrhythmic

Calcium channel blocker

Question 16

Adenosine

Answer 16

Short half-life

Question 17

Atropine

Answer 17

Tx for vagal bradycardia

Question 18

Digoxin

Answer 18

Na/K ATPase blocker

Tx : SVT and heart failure

Question 19

Magnesium

Answer 19

Tx: torsades de pointes