output, arrest, failure, disease, arrhythmias, muscle, surgery, function, catheterization, cycle, tamponade, patients, death, hypertrophy, glycosides, cells, rhythm, transplantation, enlargement, massage, index, activity, myocytes, arrhythmia, effects, involvement, defects, events, complications, performance, lesions, patient, tissue, abnormalities, rehabilitation, dysrhythmias, dysfunction, decompensation, chambers, rate, symptoms, insufficiency, action, impulse, valves, pacing, contractility, anomalies, silhouette, monitoring, pain, fibers, contraction, toxicity, dilatation, pacemakers, plexus, nerves, region, diseases, monitor, reserve, orifice, status, weakness, apex, compression, malformations, disorders, dulness, damage, murmurs, imaging, response, pacemaker, risk, resuscitation, asthma, operations, enzymes, tumors, stimulation, depression, conduction, irregularities, injury, origin, increases, ischemia, infarction, disturbances, manifestations

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