| ALARA | as low as reasonable achievable |
| ASO | arterial switch operation |
| ATP | adenosine triphosphate |
| AV | atrioventricular |
| CA | coronary artery |
| CAD | coronary artery disease |
| CAV | coronary artery vasculopathy |
| CFR | coronary flow reserve |
| CMD | coronary microvascular dysfunction |
| CMR | cardiovascular magnetic resonance |
| CT | computed tomography |
| CTCA | computed tomography coronary angiography |
| DSE | dobutamine stress echocardiography |
| EANM | European Association of Nuclear Medicine |
| ESE | exercise stress echocardiography |
| FFR | fractional flow reserve |
| GBCA | gadolinium-based contrast agent |
| HR | heart rate |
| ICDs | implantable cardioverter defibrillators |
| IMR | index of microcirculatory resistance |
| KD | Kawasaki disease |
| LGE | late gadolinium enhancement |
| LV | left ventricle |
| MBF | myocardial blood flow |
| MPR | myocardial perfusion reserve |
| MRI | magnetic resonance imaging |
| Ms | milliseconds |
| NSF | nephrogenic systemic fibrosis |
| PET | positron emission tomography |
| QGS | quantitative gated SPECT |
| RCA | right coronary artery |
| ROI | region of interest |
| RV | right ventricle |
| SPECT | single-photon emission computerized tomography |
| TGA | transposition of the great arteries |