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Detecting exercise-induced ischemia in left bundle branch block using the electrocardiogram

, : Detecting exercise-induced ischemia in left bundle branch block using the electrocardiogram. American Journal of Cardiology 82(6): 832-5, A11

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.


PMID: 9761105

DOI: 10.1016/s0002-9149(98)00480-9

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