Drug Therapy for Dysrhythmias Ch 25

Question 1

Antidysrhythmic

Answer 1

medication used for prevention and treatment of a cardiac dysrhythmia.

Question 2

Automaticity

Answer 2

ability of the heart to generate an electrical impulse.

Question 3

Conductivity

Answer 3

ability of cardiac tissue to transmit electrical impulses.

Question 4

Dysrhythmia

Answer 4

abnormality in heart rate or rhythm.

Question 5

Ectopic

Answer 5

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

Question 6

Excitability

Answer 6

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

Question 7

Prodysrhythmic effects

Answer 7

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

Question 8

Tachydysrhythmia

Answer 8

dysrhythmia of greater than 100 beats per minute.