class 4 Flashcards by nafshe en

Q

Which drugs are class 4 Anti arrythmics?

A

Calcium channel blockers

2.

Verapamil
Diltiazem

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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

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Q

What are class 4 anti arrythmics used to treat?

A

Atrial fibrillation
Atrial flutter

( paroxysmal SVT)

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