Prognostic implication of early ventricular fibrillation among patients with ST elevation myocardial infarction.

Objective: The aim of this study was to analyze the prognosis of patients presenting early ventricular fibrillation (VF) in the setting of ST elevation myocardial infarction (STEMI).

Patients And Methods: Among patients included in the ARIAM (Análisis del Retraso en el Infarto Agudo de Miocardio) registry with the diagnosis of STEMI, those who received primary revascularization and were admitted in the first 12 h were analyzed retrospectively.

Results: From January 2007 to January 2012, 8340 patients were included in the STEMI cohort and 680 (8.