Antiarrhythmia

Question 1

What are the Classes of antiarrhythmic drugs?

Answer 1

Class I(ABC) - Quinidine, Lidocaine, Procainamide.
Class II - Propanalol
Class III - nifekalant
Class IV - Nifedipine

Question 2

How do antiarrhythmic drugs work?

Answer 2

Antiarrhythmia suppress arrhythmias and help restore hemodynamic stability by altering basic electrophysiologic processes in the heart.

Question 3

What are the arythmogenic mechanism classifications?

Answer 3

Disturbances in Automaticity
B) Disturbances in impulse conduction..

Question 4

What is the action of each class of antiarrhythmia

Answer 4

Class 1- Counteracts Atrial Fibrillation, Class 2- Beta Adrenoceptor antagonist
Class 3- Potassium Channel Blockers
Class4- Calcium Channel Blockers

Question 5

Mention 5 Arythymias seen in doenm

Answer 5

Sinus Arythymia, Atria Fibrillation,
Ventricular Tachycardia
Premature beats.
Atrioventricular block

Question 6

Tachyarythmias include?

Answer 6

Atrial tarchycardia
Sinus tarchycardia
Junctional tarchycardia
Supraventricular tarchydia
Ventricular tarchydia
Atrial flutter
Atrial fibrillation
Ventricular fibrillation
Paroxysmal tarchycardia

Question 7

What is Re-entry:

Answer 7

is a phenomenon in which impulse re-circulates in the heart and causes repetitive activation without any impulse.

Question 8

Types of Blocks?

Answer 8

First, Second and Third Degree Blocks