Table 1. Methods for 123I-BMIPP imaging.
Imaging | General procedures |
---|---|
Patient preparation | Fasting at least 6 hours (6–12 hours) except for water intake |
Scan | Rest scan |
Administered dose | 74–148 MBq; intravenous injection |
Time to imaging | Early phase (20 min after injection); SPECT and planar imaging |
Late phase (180–210 min after injection); SPECT and planar imaging | |
Imaging | General parameters |
Field of view | Cardiac or chest |
Image type | Cardiac or chest SPECT and planar |
Position | Supine |
Energy window | 159 keV ± 10% |
Matrix | Planar, 256 × 256; SPECT, 128 × 128; at least 64 × 64 |
Pixel size | 4.0–6.0 mm |
Planar imaging | Specific parameters |
Views | Anterior |
Image duration | 300 sec |
Magnification | × 1 |
SPECT imaging | Specific parameters |
Angular range | Recommended, 180°; Optional, 360° |
Detector configuration | Recommended, 90°; Optional, 180° |
ECG gating | Non-gated image for WR calculation; 16 gates (optional 8 gates) for ECG gated acquisition |
Viewangle | 4.0°–6.0°, step and shoot |
Number of views | 30–120 sec (adjusted depending on projections) |
Time per stop | 30–60 sec (adjusted depending on projections) |
Magnification | × 1.5 (adjusted for scinticamera field of view and patients' stature) |
ECG, electrocardiography; WR, washout rate.
Imaging parameters can differ among camera vendors, therefore appropriate adjustments can be made within those recommended above.