Which is considered the most serious cardiac dysrhythmia?
a. Ventricular tachycardia
b. Atrial fibrillation
c. Atrial flutter
d. Bundle branch block
ANS: A
Ventricular tachycardia and ventricular fibrillation are the dysrhythmias of most serious consequence and thus most feared. An alteration of normal cardiac rhythm may decrease cardiac output, exhaust the myocardium, and lead to ventricular fibrillation or cardiac arrest.
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