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A Computerized approach to evaluating rest and exercise‐induced ecg/vcg changes after cardiac rehabilitation

Summary: A computerized method of acquiring and analyzing rest and exercise test 12‐lead electrocardiographic and three‐dimensional lead vectorcardiographic data before and after cardiac rehabilitations is described. Fourteen coronary heart disease patients were exercise tested before and after a mean of five months of aerobic exercise training. The only significant ST‐segment improvements were found in three‐dimensional space. Spatial measurements should be considered in the assessment of electrocardiographic changes secondary to exercise training.