Acquisition Parameters for GSPECT with 99mTc-Perfusion Tracers
| Parameter | Characteristic |
|---|---|
| γ-Camera | Dual or triple detector |
| Collimator | Low energy, high resolution |
| Orbit | 180° (dual detector) or 360° (triple detector) |
| Projections | 32∼64 |
| Acquisition time/projection | >25 s |
| Matrix | 64 × 64 |
| Framing | 8∼16/R–R interval |
| Beat acceptance | ±20% |
| Total acquisition time | ∼20–30 min |