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Comparative Study
. 1998 Sep 15;82(6):832-5, A11.
doi: 10.1016/s0002-9149(98)00480-9.

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

N S Ibrahim  1 , G Abboud, R S Selvester, J M Hagar, M H Ellestad
Affiliations
Comparative Study

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

N S Ibrahim et al. 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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