Salvador Manoel Serra

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BACKGROUND Parasympathetic dysfunction is an independent risk factor for mortality in heart failure for which there is no specific pharmacologic treatment. This article aims to determine the effect(More)
BACKGROUND Cardiac arrhythmias are the major cause of late sudden death in patients undergoing repair of Tetralogy of Fallot (TF). OBJECTIVE To evaluate the occurrence of cardiac arrhythmias in(More)
Following a randomized, cross-over, and double-blind design, 14 patients with coronary heart disease were submitted, to maximal cardiopulmonary exercise tests on a treadmill, 2 h after the oral(More)
OBJECTIVE To assess the influence of skeletal muscle mass on ventilatory and hemodynamic variables during exercise in patients with chronic heart failure (CHF). METHODS Twenty-five male patients(More)
BACKGROUND The oxygen (O2 ) pulse curve obtained at cardiopulmonary exercise testing provides information on cardiorespiratory fitness and the presence of cardiovascular disease. O2 pulse(More)
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