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Medical Dictionary

ventricular tachycardia


Medical Definition of ventricular tachycardia

  1. :  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>—abbreviation VT; called also V-tach

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having marks of different colors

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