The rhythm in which three or more PVCs arise in sequence at a rate of greater than 100 beats per minutes is ventricular:
A) torsades.
B) tachycardia.
C) fibrillation.
D) asystole.

Question

Quizplus · Accepted Answer

The definition given in the question fits the criteria for ventricular tachycardia (VT). Torsades de pointes is a specific type of VT characterized by a twisting or spiraling pattern on an ECG. Fibrillation refers to a chaotic, disorganized rhythm and asystole refers to absence of any electrical activity in the heart.

The Rhythm in Which Three or More PVCs Arise in Sequence