Ventricular parasystolic rhythm masquerading as bilateral bundle branch block

Nabil El-sherif; Eugene Mascarenhas; Stephen Zaron; Philip Samet

doi:10.1016/S0022-0736(73)80012-3

Ventricular parasystolic rhythm masquerading as bilateral bundle branch block

Nabil El-sherif, Eugene Mascarenhas, Stephen Zaron, Philip Samet

Medicine

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

A patient with sinus rhythm, complete left bundle branch block and 2:1 A-V conduction is described. A ventricular parasystolic rhythm, probably arising from the main left bundle branch system, occasionally gave rise to periods that simulated 3:2 A-V Wenckebach conduction with alternating bundle branch block when the parasystolic rate was approximately one third of the sinus rate. Fusion impulses with complete normalization of the QRS complex were observed. The value of analysis of long rhythm strips and repeated observations is stressed for unraveling complex disorders of cardiac rhythm.

Original language	English (US)
Pages (from-to)	171-174
Number of pages	4
Journal	Journal of Electrocardiology
Volume	6
Issue number	2
DOIs	https://doi.org/10.1016/S0022-0736(73)80012-3
State	Published - 1973

ASJC Scopus subject areas

Cardiology and Cardiovascular Medicine

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title = "Ventricular parasystolic rhythm masquerading as bilateral bundle branch block",

abstract = "A patient with sinus rhythm, complete left bundle branch block and 2:1 A-V conduction is described. A ventricular parasystolic rhythm, probably arising from the main left bundle branch system, occasionally gave rise to periods that simulated 3:2 A-V Wenckebach conduction with alternating bundle branch block when the parasystolic rate was approximately one third of the sinus rate. Fusion impulses with complete normalization of the QRS complex were observed. The value of analysis of long rhythm strips and repeated observations is stressed for unraveling complex disorders of cardiac rhythm.",

author = "Nabil El-sherif and Eugene Mascarenhas and Stephen Zaron and Philip Samet",

year = "1973",

doi = "10.1016/S0022-0736(73)80012-3",

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pages = "171--174",

journal = "Journal of Electrocardiology",

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AU - El-sherif, Nabil

AU - Mascarenhas, Eugene

AU - Zaron, Stephen

AU - Samet, Philip

PY - 1973

Y1 - 1973

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AB - A patient with sinus rhythm, complete left bundle branch block and 2:1 A-V conduction is described. A ventricular parasystolic rhythm, probably arising from the main left bundle branch system, occasionally gave rise to periods that simulated 3:2 A-V Wenckebach conduction with alternating bundle branch block when the parasystolic rate was approximately one third of the sinus rate. Fusion impulses with complete normalization of the QRS complex were observed. The value of analysis of long rhythm strips and repeated observations is stressed for unraveling complex disorders of cardiac rhythm.

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JO - Journal of Electrocardiology

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