Clinical Scenarios for the use of PET MPI After Prior Testing or Procedures
| Scenario no. | Description | Appropriateness | Score |
| Abnormal results of a prior exercise ECG test | |||
| 168 | Abnormal results of a prior exercise ECG test < 90 d ago with no intervening revascularization and sequential testing | Rarely Appropriate | 1 |
| 169 | Abnormal results of a prior exercise ECG test | May be Appropriate | 5 |
| 170 | Abnormal results of a prior exercise ECG test with a low-risk DTS (>10) | May be Appropriate | 6 |
| 171 | Abnormal results of a prior exercise ECG test with an intermediate-risk DTS (−10 to +4) | Appropriate | 8 |
| 172 | Abnormal results of a prior exercise ECG test with a high-risk DTS (< −10) | Appropriate | 8 |
| 173 | ETT achieving ≥10 METs with no ischemic ST depression | May be Appropriate | 4 |
| Abnormal results of a prior stress imaging study | |||
| 174 | Abnormal results of a prior stress imaging study | Rarely Appropriate | 3 |
| 175 | Equivocal or discordant results of a prior stress test with or without imaging | Appropriate | 8 |
| 176 | CAD of uncertain clinical significance on prior CCTA or ICA | Appropriate | 8 |
| 177 | Abnormal prior CCT calcium results (Agatston score < 100) in asymptomatic patients | Rarely Appropriate | 2 |
| 178 | Abnormal prior CCT calcium results (Agatston score 100–400) in asymptomatic patients | May be Appropriate | 5 |
| 179 | Abnormal prior CCT calcium results (Agatston score > 1,000) in asymptomatic patients | Appropriate | 8 |
| Follow-up testing (>90 d): asymptomatic patients | |||
| After abnormal results of a prior exercise ECG test | |||
| 180 | Last test < 2 y ago | Rarely Appropriate | 1 |
| 181 | Last test ≥ 2 y ago | Rarely Appropriate | 1 |
| After abnormal results of a prior stress imaging study (non-PET) | |||
| 182 | Last test < 2 y ago | Rarely Appropriate | 2 |
| 183 | Last test ≥ 2 y ago | Rarely Appropriate | 1 |
| Follow-up testing (>90 d): patients with stable symptoms | |||
| After abnormal results of a cardiovascular imaging test | |||
| 184 | Last test < 2 y ago | Rarely Appropriate | 1 |
| 185 | Last test ≥ 2 y ago | May be Appropriate | 4 |
| After abnormal results of a prior stress imaging study (PET) | |||
| 186 | Abnormal results of prior PET MPI 3–6 mo ago | Rarely Appropriate | 1 |
| 187 | Abnormal results of prior PET MPI > 6 mo ago | Rarely Appropriate | 2 |
| After obstructive CAD as shown on prior coronary angiography (invasive or noninvasive) | |||
| 188 | Last test < 2 y ago | May be Appropriate | 6 |
| 189 | Last test ≥ 2 y ago | May be Appropriate | 6 |
| After normal results of a prior exercise ECG test | |||
| 190 | Low global CAD risk (<7.5%) | Rarely Appropriate | 1 |
| 191 | Intermediate CAD risk (7.5%–20%) when tested < 2 y ago | Rarely Appropriate | 2 |
| 192 | Intermediate CAD risk (7.5%–20%) when tested ≥ 2 y ago | Rarely Appropriate | 3 |
| 193 | High global CAD risk (>20%) when tested < 2 y ago | May be Appropriate | 4 |
| 194 | High global CAD risk (>20%) when tested ≥ 2 y ago | May be Appropriate | 5 |