ACE and acute myocardial infarction: Moreover, the use of ACE inhibitors to attenuate NO• resistance in a cardiovascular emergency is clinically impracticable with the CONSENSUS II study (Cooperative New Scandinavian Enalapril Survival Study II) showing that the intravenous administration of the ACE inhibitor, enalaprilat, within 24 h of an acute myocardial infarct, increased mortality (Swedberg et al., 1992).