T-wave alternans negative coronary patients with low ejection and benefit from defibrillator implantation

In a trial of prophylactic implantation of a defibrillator, a mortality benefit was seen among patients with previous myocardial infarction and a left-ventricular ejection fraction of 0·30 or less. We identified 129 similar patients from two previously published clinical trials in which microvolt T-...

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