Abstract
The relatively low performance obtained with the ECG and VCG at rest for the diagnosis of coronary insufficiency explains why ECG and VCG recorded during and after exercise are used. Indeed, it is logical to expect accentuation of electrocardiographic disturbances during effort. But even using these records, there are marked discrepancies between electrocardiographic findings and the established reference criteria such as anginal complaints and/or coronarography. This explains why the published results taking coronarography into account vary from 74 to 100% in specificity, 44 to 86% in sensitivity and from 67 to 81% in performance (=[specificity+sensitivity]/2).
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