Effective Dose Difference Between Imaging Protocols for Combined Stress and Rest Myocardial Perfusion Studies
| Imaging protocol | Centers (n) | Mean effective dose (mSv) |
| NaI(Tl) without resolution recovery tool | 11 | 14.6 ± 2.3 |
| NaI(Tl) with resolution recovery tool | 5 | 16.7 ± 2.7 |
| IQ SPECT | 5 | 12.1 ± 1.6 |