Technologist Quality Control Tests
| Procedure | Frequency |
|---|---|
| Intrinsic or system uniformity | Daily |
| Intrinsic or system spatial resolution | Weekly |
| Center of rotation | Monthly |
| High-count floods for uniformity correction for SPECT systems | As recommended by medical physicist |
| Overall system performance for SPECT systems | Quarterly |
| Dose calibrators | |
| Constancy | Daily |
| Linearity | Quarterly |
| Leak test | Semiannually |
| Thyroid uptake and counting systems | Each day of use |