class 4 Flashcards
1
Q
Which drugs are class 4 Anti arrythmics?
A
- Calcium channel blockers
2.
- Verapamil
- Diltiazem
2
Q
What is the mechanism of action of class 4 anti arrythmics?
A
- block volatage senstive calcium ion channels
- Shorter plateau phase
- Reduces the force of contraction
3
Q
What are class 4 anti arrythmics used to treat?
A
- Atrial fibrillation
- Atrial flutter
( paroxysmal SVT)
