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Jan 04

Positive EP test helps ID Post–MI patients for ICDs

Post–myocardial infarction (MI) patients with severe left ventricular dysfunction who have a negative electrophysiologic study (EPS) showing no inducible ventricular tachycardia (VT) can do without the protection of an implantable cardioverter defibrillator (ICD), according to a new study in the journal Circulation. The patients in the series, all with a left ventricular ejection fraction (LVEF) lower than 30% or LVEF lower than 35% with heart failure, had low long-term rates of arrhythmia or death if VT could not be induced during electrophysiology testing.

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