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A method is presented for routine estimation of ultimate infarct size in patients with acute myocardial infarction (AMI). This method implies the calculation of the total quantity of alpha-hydroxybutyrate dehydrogenase (HBDH) released by the heart per liter of plasma, with the use of five to seven plasma samples per patient during the first 4 days after(More)
Differences in autonomic nerve activity between athletes and controls during supine rest and standing were investigated by recording the cardiac rhythm in 18 professional cyclists and 11 controls. We computed four indexes of autonomic control: the standard deviation (SD) of the interbeat intervals, the coefficient of variance (CV) of the interbeat(More)
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