| ACR | American College of Radiology |
| AEC | Automatic exposure control |
| AHA | American Heart Association |
| ALARA | As low as reasonably achievable |
| BEIR Committee | Biologic Effects of Ionizing Radiation Committee |
| BMI | Body mass index |
| CS | Calcium score |
| CT | Computed tomography |
| CTA | Coronary tomography angiography |
| CTCA | Computed tomography coronary angiography |
| CTDI | Computed tomography dose index |
| CTDIvol | Volumetric computed tomography dose index |
| DLP | Dose-length product |
| DLR | Deep learning reconstruction |
| DLIR | Deep learning image reconstruction |
| ED | Effective dose |
| ERD | Effective radiation dose |
| FBP | Filtered back projection |
| ICA | Invasive coronarography angiography |
| IEC | International Electrotechnical Commission |
| IR | Iterative reconstruction |
| LAR | Lifetime attributable risk |
| LET | Linear energy transfer |
| MOSFET | Metal-oxide-semiconductor field-effect transistor |
| RDSR | Radiation dose structured report |
| SSCT | Society of Cardiovascular Computed Tomography |
| TAVI | Transcatheter aortic valve implantation |
| TAVR | Transcatheter aortic valve implantation replacement |
| UNSCEAR | United Nations Scientific Committee on the Effects of Atomic Radiation |