Antidysrhythmics Flashcards Preview

Pharm Spring 2014 > Antidysrhythmics > Flashcards

Flashcards in Antidysrhythmics Deck (11)
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1

Verapamil has an interaction with this medication

Dantrolene (can cause an increase in K+)

2

Amiodarone interacts with these meds

Digoxin and warfarin

3

What metabolizes adenosine so rapidly?

Plasma and vascular endothelial cell enzymes

Half life is less than 10 seconds!!

4

Med used to treat dysrhythmias caused by digoxin toxicity

Phenytoin

5

What dysrhythmias is phenytoin used for?

Only for digoxin induced A&V dysrhythmias

6

Dysrhythmias treated with digoxin

A-fib/flutter with rapid RVR in those with impaired cardiac function

7

Bad effects of verapamil

Interacts with dantrolene
Can cause digoxin toxicity (by decreasing its clearance)
Can cause heart block if given with beta blockers
Prolongs the effect of NM blockers
More myocardial depression with anesthetics

8

This med is used to treat MH

Dantrolene

9

Why is propanolol not as good as metoprolol or esmolol?

Because it's not B1 specific, it has a longer onset, and more SEs.

10

Antidote for digoxin toxicity

Digoxin immune FAB (DigiFAB)

11

What can happen if only a patial dose of atropine is given?

Paradoxical effect (reflex bradycardia)