Key Technical Advances in Nuclear Cardiology
| Innovation | Result |
| Clinical cardiac PET | Improved speed and accuracy, absolute quantification, list-mode acquisition |
| Cardiocentric SPECT collimators | Increased count sensitivity, improved speed, lower dose |
| Solid-state detector SPECT | Increased count sensitivity, improved speed, lower dose, list-mode acquisition, multiisotope acquisition |
| Iterative reconstruction algorithms | Resolution improvement, noise reduction |
| List-mode acquisition | Integration of ECG and respiratory gating, motion correction, dynamic imaging sequences for kinetic analysis, simultaneous multiisotope SPECT |
| Motion correction | Improved resolution for analysis of small target regions |
| Tracer kinetic analysis | Absolute quantification of physiologic and biologic processes (blood flow, metabolic rates) |
| Hybrid SPECT/CT, PET/CT | Attenuation correction, integration with calcium score and CT-based coronary angiography, morphologic coregistration |
| Integrated PET/MRI | Integration with morphology, function, and tissue characteristics; simultaneous multiparametric imaging |
| SiPM DPC PET/CT | Improved resolution, improved speed, lower dose |
ECG = electrocardiography; SiPM DPC = solid-state silicon photomultiplier digital photon counting.