Comparative Study
doi: 10.1016/s0002-9149(98)00480-9.
Detecting exercise-induced ischemia in left bundle branch block using the electrocardiogram
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- PMID: 9761105
- DOI: 10.1016/s0002-9149(98)00480-9
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Comparative Study
Detecting exercise-induced ischemia in left bundle branch block using the electrocardiogram
Am J Cardiol.
.
Erratum in
- Am J Cardiol 1999 Jan 1;83(1):142
Abstract
We compared 12-lead electrocardiographic changes during exercise in 41 patients with left bundle branch block; 7 were nonischemic and 34 had coronary artery obstruction > or =70% as detected by angiogram. ST depression of > or =0.5 mm from baseline when measured at the J point in leads II and AVF (p=0.004) and an increase of R-wave amplitude in lead II (p=0.05) significantly identified ischemia.
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