Alvaro Beltrán

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UNLABELLED Seventy-eight consecutive patients (mean 63 +/- 10 years, 79.5% men) with a history of myocardial infarction and indication of coronary artery bypass grafting (CABG) were studied with low dose dobutamine stress echocardiography (DSE) before (DSE 1) and at 3-month follow-up (DSE 2) to evaluate its clinical utility in the detection of viable(More)
BACKGROUND There is paucity of data on left ventricular (LV) functional parameters using gated SPECT myocardial perfusion imaging (MPI) from the Latin American region. This study provides detailed information in low-risk patients both at rest and during exercise. METHODS AND RESULTS We studied 90 patients (50 men) with a very low likelihood of coronary(More)
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