Paroxysmal second-degree atrioventricular block induced by exercise

J. J. Rozanski, A. Castellanos, D. Sheps, R. Pozen, R. J. Myerberg

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Paroxysmal second-degree A-V block occurred during exercise in a patient without prior conduction system disease. He subsequently was found to have severe triple-vessel coronary artery disease. Two episodes of block occurred early on during treadmill exercise in the presence of marked ST segment depression. While similar paroxysmal atrioventricular block is a relatively common occurrence during the transient ischemic ST elevation in Prinzmetal's angina in patients without conduction system disease, it has been described rarely in exercise induced ST depression. We believe that transient second-degree A-V block in our patient resulted from ischemia as manifested by profound ST segment depression.

Original languageEnglish (US)
Pages (from-to)887-890
Number of pages4
JournalHeart and Lung: Journal of Acute and Critical Care
Issue number5
StatePublished - 1980

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine
  • Cardiology and Cardiovascular Medicine


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