Drug Therapy for Dysrhythmias Ch 25 Flashcards Preview

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Flashcards in Drug Therapy for Dysrhythmias Ch 25 Deck (8)
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1

Antidysrhythmic

medication used for prevention and treatment of a cardiac dysrhythmia.

2

Automaticity

ability of the heart to generate an electrical impulse.

3

Conductivity

ability of cardiac tissue to transmit electrical impulses.

4

Dysrhythmia

abnormality in heart rate or rhythm.

5

Ectopic

when an electrical impulse arises from an abnormal focus, anywhere other than the sinoatrial node.

6

Excitability

ability of a cardiac muscle cell to respond to an electrical stimulus.

7

Prodysrhythmic effects

tendency of antidysrhythmic drugs to cause the development of new dysrhythmias.

8

Tachydysrhythmia

dysrhythmia of greater than 100 beats per minute.