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[Prognostic and therapeutic considerations in intraventricular blocks in acute myocardial infarct].

Intraventricular blocks were observed in 26% of 122 cases of acute myocardial infarction in the Medical Division "S. Angelo Hospital", Messina. Mortality in hospital, which was higher in cases with RBBB + LBBB, LBBB + BAV, above all was caused by myocardial insufficiency. It's Authors' opinion that temporary electrical stimulation is useless in cases with myocardial insufficiency and useful in cases with hemodynamic compensation or with slight decompensation.