Diagnostic | Asymptomatic patients with multiple cardiac risk factors |
| Diabetic patients |
| Stable chest pain syndromes (Canadian Cardiovascular Society Class [CCSC] I or II, mild to moderate symptoms) |
| Preoperative risk stratification before major noncardiac surgery |
| High-risk occupations (e.g., airline pilot) |
Therapeutic | Known CAD (recurrent symptoms/routine evaluation) |
| Unstable angina (CCSC III or IV) |
| Postischemic syndrome for predischarge evaluation |
| Congestive heart failure |
| Life-threatening ventricular arrhythmias |
| Pre- or postpercutaneous transluminal coronary angioplasty (PTCA) or coronary artery bypass grafting (CABG) |
| Stable chest pain (CCSC I or II) with moderate to extensive ischemia |
| Treatment selection assessing provocative ischemic lesions or viability after catheterization (e.g., PTCA or CABG) |