Why the study?
Are exercise-induced R wave changes useful for the diagnosis of coronary artery disease compared to ST segment depression in patients evaluated for CAD?
Population
105 patients evaluated for coronary artery disease and left ventricular contraction abnormalities
Comparison
Exercise-induced R wave amplitude changes vs ST segment depression
Design
Cross-sectional
Authors
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R wave changes should not guide CAD diagnosis; leaves open incremental value in prospective multimodal algorithms.
Are exercise-induced R wave changes useful for the diagnosis of coronary artery disease compared to ST segment depression in patients evaluated for CAD?
Exercise-induced R wave amplitude changes are not a useful diagnostic marker for coronary artery disease or left ventricular contraction abnormalities.
Alijarde-Guimerá et al. (1983) studied this question.
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