Antiarrhytmic Drugs

Question 1

Class 1

Answer 1

Sodium Channel Blockers
Local anesthetic activity
Act on Phase 0

Question 2

Class 2

Answer 2

Beta Adrenergic Blockers

Question 3

Class 3

Answer 3

Potassium Channel Blockers

Question 4

Class 4

Answer 4

Calcium Channel Blockers

Question 5

Class 1a

Answer 5

Prolongs AP

Question 6

Class 1b

Answer 6

Shortens AP

Significant effects on ischemic tissues

Question 7

Class 1c

Answer 7

No effect on AP

Question 8

Class 1A Antiarrhythmics

Answer 8

I Am the Queen that Proclaimed the Diss on the Pyramid

Procainamide
Disopyramide
Quinidine

Question 9

Atrial and Ventricular Antiarrhythmics

Answer 9

Class 1A

Question 10

Class 1A drug with antimalarial effect

Answer 10

Quinidine

Question 11

Class 1A, Antiarrhythmics , Lupus like syndrome

Answer 11

Procainamide

Question 12

Class 1A, Marked antimuscarinic effects

Answer 12

Disopyramide

Question 13

Class 1A, Torsades, Cinchonism (Headache, Vertigo Tinnitus)

Answer 13

Quinidine

Question 14

Treatment for Class 1A overdose

Answer 14

Sodium Lactate

Question 15

DOC Ventricular Arrhythmias
Digoxin induced arrhythmias
Best for Post MI

Answer 15

Class 1B Antiarrhytmics

Question 16

Class 1B Antiarrhythmics, Agranulocytosis

Answer 16

Tocamide

Question 17

Least cardiotoxic among conventional Antiarrhythmics

Answer 17

Lidocaine

Question 18

Class 1B Antiarrhythmics Teratogenic

Answer 18

Phenytoin

Question 19

1B Drugs

Answer 19

I Buy Mexican Tacos with Lids
Mexiletine
Tocainide
Lidocaine

Question 20

1C Antiarrhythmics

Answer 20

Selective

For refractory arrhythmias

Question 21

Contraindicated in POST MI

Answer 21

1C Antiarrhythmics

Question 22

Antiarrhythmics

Answer 22

I C MORe FLECked ENCAsed PROPs

Question 23

Reduction of cAMP
Act on Phase 4
Prolonged PR
Post MI Prophylaxis

Answer 23

Class 2 Antiarrhythmics

Question 24

Non Selective B Blockers

Answer 24

Propanolol

Question 25

Selective B1 Blocker

Answer 25

Esmolol

Question 26

Hallmark of Prolonged AP Duration

Increase QT Interval

Answer 26

Class 3 Antiarrhythmics

Question 27

Treatment and prophylaxis for atrial fibrilation

Answer 27

Dofetilide

Question 28

SE of Dofetilide

Answer 28

Torsades de Pointes

Question 29

Most efficacious of all Antiarrhythmics drugs

Answer 29

Amiodarone

Question 30

SE of Amiodarone

Answer 30

Microcrystalline deposits of cornea and skin

Pulmonary Fibrosis

Question 31

PR interval consistently increased

Answer 31

Class 4

Question 32

Prolongs PR Interval
Prolongs QRS
Prolongs QT
Prolongs AP

Answer 32

Class 1 A - Procainamide

Question 33

Shortens AP Duration

No effect in normal Cells

Answer 33

Class 1B - Lidocaine

Question 34

Prolongs QRS interval

No effect in AP Duration

Answer 34

Class 1C - Flecainide

Question 35

Prolongs PR

No effect on AP

Answer 35

Class 2 - Propanolol

Class 4 - Verapamil

Question 36

Prolongs QT

Prolongs AP

Answer 36

Class 3 - Dofetilide

Question 37

DOC for paroxysmal supraventricular tachycardia

Answer 37

Adenosine