Early Exercise Testing and Mobilization After Myocardial Infarction

30 low-risk patients (from 189 consecutive admissions) with a first myocardial infarction, without continued or recurrent chest pain, cardiomegaly, cardiac failure, electrical instability, pericarditis, or other adverse features, and with a creatine phosphokinase (CPK) level below 500 units.

Symptom-limited exercise testing 8 days after admission, with serial testing at 1 and 5 weeks.

Exercise tolerance, exercise duration, and maximum heart rate.surrogate