Table 1 Acquisition conditions used with the four imaging modalities to measure LVEF in the heart-phantom pair
Imaging modality | Device | Radionuclide | Blood activity concentration | Acquisition time per phase | Automated clinical segmentation tool |
|---|---|---|---|---|---|
MRI | Philips Ingenia 1.5T | – | – | ≈ 10 min | Circle cvi42 |
Planar ERNA | Siemens Intevo Bold + LEHR collimator | 99mTc | 110 kBq/mL | 38 s | Siemens Gated Blood Pool tool |
SPECT ERNA | 5 s/projection 30 projections (every 3° angle) | Cedars Sinai Quantitative Blood Pool SPECT (QBS) | |||
PET/CT | Siemens Biograph Vision 600 | 18F | 210 kBq/mL | 3 s | Cedars Sinai Quantitative Blood Pool (QBS) SPECT adapted to PET images |