Analyses of BSPM have allowed new insights into the pathophysiology and natural history of myocardial infarction.’ Recendy, BSPM during low-level exercise in patients with isolated left anterior descending CAD also demonstrated detection of ischemic repolarization abnormalities when the usual electrocardiographic criteria for ischemia were absent. In that previous exercise BSPM study, multivariate analysis revealed the body surface sum of the decrease in ST integral values from rest to peak exercise to be the best discriminator between the ischemic and normal electrocardiographic changes of exercise.
The previous data further suggested that ST integral changes reflective of myocardial ischemia persisted well into the recovery period following cessation of exercise and were complementary to, rather than substitutionary for, other indirect measures of myocardial ischemia. buy prednisone
The present study was designed to compare exercise BSPMs in patients with single- and multiple-vessel
CAD and farther to correlate ischemic ST changes with other indirect measures of myocardial ischemia and myocardium at ischemic risk.
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