Central hemodynamic characteristics of patients with acute myocardial infarct of the right ventricle

: A study of central hemodynamic parameters and clinical patterns of acute right-ventricular myocardial infarction (ARVMI) is reported. Thirty-nine patients with acute inferior left-ventricular myocardial infarction were divided into 2 groups: 28 patients with electrocardiographic signs of ARVMI (group 1) and 11 patients showing no such signs (group 2). All patients were subjected to catheterization of the heart's right compartments, and their minute blood volumes were measured by thermodilution. Three patterns of ARVMI were identified on the basis of the mean pulmonary arterial blood pressure: hypo-normo- and hypertensive ones. All the three were associated with the development of prevailing right-ventricular insufficiency in group 1.