Antiarrythmic

Question 0

Lidocaine
Mexilentine
Phenytoin

Answer 0

Class 1b

Na channel blockers that slightly decrease APD

Question 1

Procainamide
Quinidine
Disopyramide

Answer 1

Class1a

Na channel blockers increase action potential duration

Question 2

Propafenone

Flecainide

Answer 2

Class 1c Na channel blockers

That don’t change APD

Question 3

Propranolol
Atenolol
Esmolol
Metoprolol

Answer 3

Class 2
Beta blockers
 Diminish phase 4 depola-
prolong AV conduction^pr interval
Used-post MI*** 
Patients with paraxysmal supra ventricular tachycardia

Question 4

Amoiodarone
Dronedarone
Sotalol
Ibutilide
Bretylium

Answer 4

Class III

-k channel blockers - prolonged APD -
Increases QT interval

Question 5

Verapamil

Diltiazem

Answer 5

Class Iv

L type channel calcium channel blockers

Question 6

Adenosine

Answer 6

Class micellaneous
Adenosine receptor agonist  
Drug of choose for SVT****
Activatea K channeling the AV node -hyper polarization ,reduce the calcium channels 
Short half life -10s **

Question 7

Digoxin

Answer 7

Class miscellaneous

Increase Vagal tone

Digoxin induced arrhythmia treat with mangnesium

Question 8

Quinidine

Answer 8

Class 1A

Block Na and k channel
Anti muscarine
Alpha blocker

A.e.- cinchonism-tinnitus
Precipitates to radars de pointed, prolong qt

Question 9

Procainamide

Answer 9

Class 1a
-anti muscarine

A.e. SLE

Question 10

Disopyramide

Answer 10

class1a
Anticholinergic
Avoided in heart failure ***

Question 11

Amidarone

Answer 11

Class 3 k blocker***

Iodine containing highly lipophilic
-blocks inactivated Na channel, Ca channels
Use: post MI, ventricular arrythmias,

A.e. Pulmonary fibrosis -mcc,skin pigmentation, corneal deposits, thyroid alter

Question 12

Lidocaine

Answer 12

Class 1b less cardio toxic
Blocks Na.slight decrease ASD, dec ERP
Not by mouth

Toxicity- neurological drowsiness,nystagmus,seizures *

Question 13

Use after lodacaine 1b has failed

Answer 13

Bretylium-class III