authors Russell, Stuart D Saval, Matthew A Robbins, Jennifer L Ellestad, Myrvin H Gottlieb, Stephen S Handberg, Eileen M Zhou, Yi Chandler, Bleakley
has subject area Adrenergic beta-Antagonists Cardiac Pacing, Artificial Data Collection Electrocardiography Exercise Test Exercise Tolerance Female Heart Heart Failure Humans Male Middle Aged Mineralocorticoid Receptor Antagonists Oxygen Consumption Pulmonary Ventilation Severity of Illness Index Treatment Outcome Ventricular Dysfunction, Left