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Start Over Author "Koito H" Topic electrocardiography
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1. Clinical significance of S-T segment elevation in lead aVR in anterior myocardial infarction. Assessment by thallium-201 exercise scintigraphy.

Author

Nakamori H, Iwasaka T, Shimada T, Kamihata H, Karakawa M, Matsuura T, Koito H, Sugiura T, Inada M, and Suga Y

Subjects
Adult, Aged, Coronary Angiography, Female, Heart Ventricles diagnostic imaging, Humans, Male, Middle Aged, Myocardial Infarction pathology, Predictive Value of Tests, Radionuclide Ventriculography, Sensitivity and Specificity, Electrocardiography methods, Exercise, Myocardial Infarction diagnostic imaging, Myocardial Infarction physiopathology, Thallium Radioisotopes
Abstract

The significance of exercise-induced S-T elevation in aVR was studied in 57 patients with recent anterior infarction and single-vessel disease. S-T elevation in aVR was found at peak exercise in 24 patients. Although the initial defect area was similar in the groups with and without S-T elevation in aVR, the redistribution area was larger in the former group (p < 0.01). When three electrocardiographic criteria were used in the multivariate analysis, S-T elevation in aVR was the significant variable related to redistribution in the anterior wall. Thus, S-T elevation in aVR may indicate ischemia of the anterior wall.

Published
1995
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