Abstract:BackgroundMultiple studies have shown that the exercise electrocardiogram (ECG) is less accurate for predicting ischemia, especially in women, and there is additional evidence to suggest that heart size may affect its diagnostic accuracy.HypothesisThe purpose of this investigation was to assess the diagnostic accuracy of the exercise ECG based on heart size.MethodsWe evaluated 1,011 consecutive patients who were referred for an exercise nuclear stress test. Patients were divided into two groups: small heart si… Show more
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