medical Definition of ventricular tachycardia
: tachycardia that is associated with the generation of electrical impulses within the ventricles and is characterized by an electrocardiogram having a broad QRS complex
- Or a heart may suddenly start beating much too fast, a condition called ventricular tachycardia, and then lapse into ventricular fibrillation.
- —Jane E. Brody, The New York Times, 13 Apr. 1999
- To stop ventricular tachycardia, the defibrillator sends out painless electrical pacing impulses that return the heartbeat to a normal rhythm.
- —Tom Majeski, The Saint Paul (Minnesota) Pioneer Press, 27 Nov. 1997
