Antirrhythmic Drugs

Question 0

What is MOA_antiarrhythmic_class 1 sodium channel blockers?

Answer 0

Decrease the rate of rise of phase 0 of the action potential by blocking sodium entry into the cell during deplorization

Question 1

What are types of antiarrhythmic drugs?

Answer 1

Class 1 Sodium channel blockers
Class 2 B adrenoceptor blockers
Class 3 Potassium channel blockers
Class 4 Calcium channel blockers 
Class 5 Unclassified

Question 2

What are types of sodium channel blockers?

Answer 2

Class 1a
Class 1b
Class 1c

Question 3

What are antiarrhythmic_class 1a_sodium channel blockers used for?

Answer 3

atrial and ventricular arrhythmias_all purpose antiarrhythmics

Question 4

What is Procainamide (Pronestyl)?

Answer 4

Antiarrhythmic_sodium channel blocker_class 1a
Used for atrial, ventricular arrhythmias_all purpose

Question 5

What are antiarrhythmic_sodium channel blocker_class 1b drugs used for?

Answer 5

used for treatment of ACUTE ventricular arrhythmias_ventricular tachycardia, ventricular fibrillation, and ventricular ectopy

Question 6

What is Lidocaine (Zylocaine)?

Answer 6

Antirrhythmic_Sodium channel blocker_class 1b

Question 7

What are antiarrhythmic sodium channel blocker class 1c drugs used for?

Answer 7

used for chronic suppression of ventricular arrhythmia

Question 8

What is MOA_antiarrhythmic_class 2 drugs?

Answer 8

useful in suppressing the tacharrhythmia that resul from increase sympathetic activity by stabilizing cardiac membrane, slowing down conduction through SA and AV nodes, and increasing the refractory period

Question 9

What is Propranolol(Inderal)?

Answer 9

antiarrhythmic_class 2_B-adrenoceptor blocker
most commonly used to treat arrhythmia patients

Question 10

What is MOA_class 3_Potassium channel blockers?

Answer 10

Prolong repolarization; useful in treating intractable ventricular arrhythmias

Question 11

What is Amiodarone?

Answer 11

antiarrhythmic drug_class 3_potassium channel blocker
effective in treatment and prevention of ventricular fibrillation and ventricular tachycardia

Question 12

What is MOA_antiarrhythmic_class 4_calcium channel blockers?

Answer 12

Slow conduction and prolong the effective refractory period, especially in the AV node by blowing the inward calcium current
MOST EFFECTIVE against atrial than ventricular arrhythmias

Question 13

What is Digoxin (Lanoxin)?

Answer 13

Antiarrhythmia_Unclassified class drug 
used to control ventricular rate in atrial fibrillation or flutter

Question 14

What is Adenosine(Adenocard)?

Answer 14

Antiarrhythmic_Unclassified drug

Drug of choice for Paroxysmal supraventricular tachycardia