Preservation of pre-excitation despite acute myocardial infarction complicated by complete heart block.

Journal Article (Journal Article)

In a 53-year-old man with ventricular pre-excitation (normal PR interval, QRS interval of 0.12 seconds and delta-waves) acute inferior wall myocardial infarction was complicated by, successively, first-degree atrioventricular block, second-degree atrioventricular block (Wenckebach type) and complete heart block. The QRS pattern of pre-excitation was preserved throughout these events. The classification of ventricular pre-excitation is reviewed and the correlation between the various electrocardiographic patterns (the Wolff-Parkinson-White syndrome and its variants and the Lown-Ganong-Levine syndrome) and the anomalous conduction pathways of Kent, James and Mahaim are discussed. In this case the best possible explanation for preservation of pre-excitation during complete heart block was the existence of accessory fibres of Mahaim.

Full Text

Duke Authors

Cited Authors

  • Boroomand, K; Armstrong, PW

Published Date

  • July 22, 1978

Published In

Volume / Issue

  • 119 / 2

Start / End Page

  • 139 - 142

PubMed ID

  • 679113

Pubmed Central ID

  • PMC1818059

International Standard Serial Number (ISSN)

  • 0008-4409


  • eng

Conference Location

  • Canada