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Coronary artery evaluation. (A) Cardiac CT angiography performed in a patient with new onset heart failure shows normal coronary arteries without any atherosclerotic plaque or luminal stenosis; (B) cardiac CTA in another patient with heart failure shows multiple calcific and non-calcific atherosclerotic plaques in all the coronary arteries. CT, computed tomography; CTA, CT angiography. LAD, left anterior descending; RCA, right coronary artery; LCx, left circumflex coronary artery.
