Class IV Antiarrhythmics - Ca Channel Blockers Flashcards

1
Q

Diltiazem (Class, MOA, Indications, CI, AE’s)

A

[Class IV - nonDHP Ca Channel Blockers] - rate control

MOA: blocks Ca channels –> inc. phase 0 threshold –> slows impulse propagation

Indications: Supraventricular arrhythmias (ST, AF, AFL)

CI: Heart failure

AE’s: may NOT stop arrhythmias (like other rate control drugs)

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2
Q

Verapamil (Class, MOA, Indications, CI, AE’s)

A

[Class IV - nonDHP Ca Channel Blockers] - rate control

MOA: blocks Ca channels –> inc. phase 0 threshold –> slows impulse propagation

Indications: Supraventricular arrhythmias (ST, AF, AFL)

CI: Heart failure

AE’s: may NOT stop arrhythmias (like other rate control drugs)

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