Jun 1, 1986

Determinants of the spontaneous ectopic activity in repetitive monomorphic idiopathic ventricular tachycardia

Journal of the American College of Cardiology
M ZimmermannP Coumel

Abstract

Twenty-four hour ambulatory electrocardiographic tape recordings of 30 patients (16 men and 14 women, mean age 42 +/- 17 years) with repetitive monomorphic idiopathic ventricular tachycardia were analyzed using a new computerized system designed to study 15 RR cycles and mean heart rate of the 3 minutes preceding any defined event. The mean (+/- SD) number of events analyzed per patient in 24 hours was 610 +/- 483 for single premature ventricular complexes, 622 +/- 490 for couplets, 260 +/- 411 for runs of 3 complexes, 186 +/- 476 for runs of 4, 108 +/- 173 for runs of 5, 82 +/- 129 for runs of 6 to 10 and 83 +/- 116 for runs of more than 10 complexes. The heart rate was faster before runs of ventricular tachycardia than before isolated extrasystoles (p less than 0.01) and a positive linear correlation was observed between the mean preceding heart rate and the type of extrasystolic activity, the length of the runs increasing with increasing preceding heart rate (r = 0.98, p less than 0.001). A long RR interval just before the occurrence of runs was present in 77% of the cases (23 of 30) with or without an oscillatory pattern of RR intervals due to bigeminy or trigeminy, and the length of the runs correlated positively with the ...Continue Reading

  • References28
  • Citations48

Mentioned in this Paper

Complex (molecular entity)
Pulsus Trigeminus
Monitoring, Physiologic
Cardiac Conduction System
Tachycardia, Ventricular
Paired Ventricular Premature Complexes
Specialty Type - Ambulatory
Electrocardiographic Recorders
Premature Ventricular Contractions
Tachycardia

About this Paper

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