Coronary Arteriographic Appearances in Patients with Left Bundle-Branch Block

Author:

LEWIS C. MICHAEL1,DAGENAIS GILLES R.1,FRIESINGER GOTTLIEB C.1,ROSS RICHARD S.1

Affiliation:

1. From the Department of Medicine, The Johns Hopkins University School of Medicine and Hospital, Baltimore, Maryland.

Abstract

Left bundle-branch block (LBBB) was found to be associated with an unusually short left main coronary artery in 11 of 12 patients studied by selective coronary arteriography. The average length of the left coronary artery in this group of 12 patients with LBBB was 4.5 ± 1.7 mm as compared to 12.8 ± 0.8 mm in a control group. Four of the 12 had evidence of ischemic heart disease, one had mild aortic regurgitation, one had myocardiopathy, and one had a patent ductus arteriosus. No etiology was discovered for the LBBB in the remaining five patients. Mechanical and hemodynamic explanations for this association of a particular pattern of coronary anatomy with LBBB are proposed.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Physiology (medical),Cardiology and Cardiovascular Medicine

Reference27 articles.

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2. Prognosis in bundle branch block

3. com.atypon.pdfplus.internal.model.plusxml.impl.AuthorGroup@4b54ce54 February 1970

4. BUNDLE BRANCH BLOCK: SOME USUAL AND SOME UNUSUAL FEATURES

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