Exercise tolerance testing after myocardial infarction
Exercise tolerance testing (ETT) was introduced in the 1940s and has been the focus of many investigations (Detry and Fox, 1996). It was originally used to aid the diagnosis of coronary artery disease (CAD), but is now also used in the prognostic assessment of those who have already been diagnosed (Detry and Fox, 1996; Hill and Timmis, 2002; McGhie, 2001). The purpose is to increase myocardial oxygen consumption and the demands for coronary blood flow. The resting myocardium extracts ...
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