Arthythmias

Question 1

What drug causes a decrease phase 4 slope

Answer 1

Beta blocker

Question 2

What drug increase threshold potential

Answer 2

Sodium and calcium blocker

Question 3

What drug would increase maximum diastolic potential

Answer 3

Adenosine

Question 4

What drug would increase action potential duration

Answer 4

Potassium channel blocker

Question 5

What drug can effectively terminate EAD or torsades de pointes

Answer 5

Procainamide

Lidocaine

Question 6

This class 1a prolongs QRS and QT

Answer 6

Quinidine

Question 7

This class 1a prolong QRS complex

Answer 7

Procainamide

Question 8

This has a cinchonism adverse effect

Answer 8

Quindine

Question 9

This has a lupus like syndrome

Answer 9

Procainamide

Question 10

These drug has an enzyme inducing

Answer 10

Phenobarbital

Phenytoin

Rifampicin

Question 11

These has an enzyme inhibiting plasma concentration

Answer 11

Cimetidine

Verapamil

Question 12

This drug has a pharmacologic action

Answer 12

Decrease PR and QT

Question 13

This drug prevents ventricular fibrillation after cardioversion

Answer 13

Lidocaine

Question 14

Used for chronic pain such as DM neuropathye

Answer 14

Mexiletine

Question 15

This drug prolongs PR, QRS and QT jnterval

Answer 15

Flecainide

Question 16

This drug has no effect on action potential

Answer 16

Propafenone

Question 17

This beta blocker decrease AV node conduction velocity

Answer 17

Propanolol

Question 18

This class 3 drug prolong QT internal and is contraindicated for pregnant women

Answer 18

Dronedarone

Question 19

This drug is very selective potassium channel blocker

Answer 19

Dofetilide

Question 20

Selective blockers of funny current

Answer 20

Ivabradine

Question 21

This pharmacological action temporarily revert sinus bradycardia to normal sinus rhythm

Answer 21

Atropine