Prospective ECG-gated thoracic DSCT at end-systole usually provides adequate thoracic and coronary artery image quality in neonates, infants and young children with CHD, independent of heart rate. This new method is associated with lower radiation doses compared to previous literature (mean effective dose, 0.26 mSv).

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We present a case of congenital coronary artery anomalies combining the absence of the circumflex artery, ectopic origins of left anterior descending and diagonal arteries and abnormal courses of these vessels. These rare anomalies were detected during an elective coronary angiography in a patient with stable angina that was related to significant stenosis of the posterolateral and middle right coronary artery. A computed tomography scanner with three-dimensional reconstructions confirmed the anatomy.

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