Electrical and mechanical asynchronism in the cardiac cycle. A study of 100 ventricular premature beats by simultaneous right and left ventricular gatheterization

Philip Samet, Leonard Silverman, William H. Bernstein, Robert S. Litwak

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Electrical ventricular asynchronism may occur in man in bundle branch block, complete heart block with an idiovcntricular rhythm, ventricular premature beats and the Wolff-Parkinson-White syndrome. This paper is a study of the problem of whether mechanical ventricular asynchronism is a necessary consequence of electrical ventricular asynchronism such as occurs in the above situations. The data were obtained in intact man during the course of simultaneous right and left heart catheterization. The results indicate that mechanical ventricular asynchronism is infrequently seen in ventricular premature beats produced during the course of simultaneous combined heart cathetcrization. Mechanical asynchronism in onset of ventricular isometric contraction was absent in 72 of 100 ventricular premature beats with widened aberrant QRS complexes.

Original languageEnglish (US)
Pages (from-to)482-494
Number of pages13
JournalThe American Journal of Cardiology
Volume3
Issue number4
DOIs
StatePublished - Apr 1959

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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