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A 2-month-old infant presented with poor weight gain, feeding intolerance and cardiomegaly on chest radiography. Transthoracic echocardiography showed severe left ventricular dilatation and dysfunction, left atrial dilatation, moderate mitral regurgitation and doubtful origin of left coronary artery (LCA). Cardiac catheterisation did not identify the origin of LCA from the aorta. Coronary CT angiography (128-multidetector CT, retrospective ECG-gated with restrictive dose modulation, 70 kVs, 1.2 mSv) revealed the origin of the LCA from the pulmonary artery trunk/root junction, immediately above the sinus of Valsalva and was consistent with remaining echocardiography findings (figure 1). The right coronary artery had normal origin. After surgical reimplantation of the LCA in the ascending aorta there was good …
Footnotes
Contributors ACS was involved in manuscript preparation and review of the bibliography, and image editing. CS was involved in case selection and image editing. DM, RA and CS critically reviewed the manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.