Figure 27-17 First-year mortality rates for patients with acute myocardial infarction (MI) according to subgroup. Pink areas represent patients with ejection fractions of more than 30%; gray areas represent patients with ejection fractions of less than 30%. (The percentages are, by necessity, rough approximations.) CHF, overt congestive heart failure. (Redrawn from Epstein SE, Palmeri ST, Patterson RE: Evaluation of patients after acute myocardial infarction. Indications for cardiac catheterization and surgical intervention. N Engl J Med 307:1487, 1982.)