Effect of Beta-Blockade on Mortality among High-Risk and Low-Risk Patients after Myocardial Infarction

Abstract
Long-term administration of beta-adrenergic blockers to patients after myocardial infarction improves survival. However, physicians are reluctant to administer beta-blockers to many patients, such as older patients and those with chronic pulmonary disease, left ventricular dysfunction, or non–Q-wave myocardial infarction.