Table 3.
Inappropriate Testing Indications Stratified by Imaging Modality
| Indication | No. of Myocardial Perfusion Imaging, n = 32 | No. of Stress Echocardiography, n = 25 |
|---|---|---|
| Asymptomatic, low CAD risk | 3 | |
| Asymptomatic, intermediate CAD risk, ECG interpretable | 1 | |
| Asymptomatic, known CAD, last stress imaging <2 years | 1 | |
| Definite acute coronary syndrome | 1 | |
| Intermediate risk surgery, moderate/good functional status | 5 | |
| Intermediate risk surgery, no clinical risk factors | 7 | 6 |
| Nonacute chest pain, low pretest probability CAD, ECG interpretable, able to exercise | 3 | 1 |
| Vascular surgery, asymptomatic <1 year following normal testing or catheterization, or revascularization | 1 | |
| Syncope, low CAD risk | 1 | 1 |
| Vascular surgery, moderate/good functional status | 9 | |
| Vascular surgery, no clinical risk factors | 17 |
Abbreviations: CAD, coronary artery disease; ECG, electrocardiograph.