European Cardio Computer Tomography Registry

Inclusion Criteria: * Inclusion of all consecutive patients with accomplished or attempted CT imaging of the heart (whether imaging of the coronary arteries or other structures of the heart) * Informed consent to be entered in the registry. * Inclusion of all consecutive patients with accomplished or attempted coronary CT angiography. * Inclusion of all patients who undergo coronary CT angiography for clinical indications, with separate analysis of patients with suspected coronary artery disease and previously known coronary artery disease. Exclusion Criteria: \- Besides the absence of informed consent, and cardiac CT studies performed as part of a research protocol, no exclusion criteria exist.