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Myocardial bridging as a cause of paroxysmal atrioventricular block

Authors
Journal
Journal of the American College of Cardiology
0735-1097
Publisher
Elsevier
Publication Date
Volume
1
Issue
3
Identifiers
DOI: 10.1016/s0735-1097(83)80218-6

Abstract

Paroxysmal atrioventricular (AY) block was induced by exercise in an otherwise healthy young man. The only abnormalities demonstrated at comprehensive cardiac evaluation were: 1) angiographic systolic narrowing of the left anterior descending coronary artery, and 2) reversible radionuclide hypoperfusion of the septum during exercise. It is postulated that ischemia of the conduction system due to systolic milking of the left anterior descending coronary artery was responsible for the paroxysmal AY block in this patient.

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