“…However, ICD therapy did not show a benefit in patients with left ventricular dysfunction and undergoing coronary artery bypass or immediately following a myocardial infarction. 9 ICD developers have emphasized the importance of high levels of specificity in developing algorithms which detect hemodynamically unstable tachycardia or fibrillation, since delivery of shock therapy is lifesaving for patients experiencing SCD. Defibrillation shocks, due to their high levels of energy, are quite painful for patients, and can lead to psychological or behavioral consequences for ICD patients.…”