Clinical, scintigraphic, and angiographic predictors of oxygen pulse abnormality in patients undergoing cardiopulmonary exercise testing

The oxygen (O2) pulse curve obtained at cardiopulmonary exercise testing provides information on cardiorespiratory fitness and the presence of cardiovascular disease. O2 pulse abnormalities have been attributed to myocardial ischemia, among other conditions, but the predictors of abnormal O2 pulse curves are not completely known.

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