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Retroaortic Anomalous Coronary Artery Visualization on Transthoracic Echocardiogram.

ABSTRACT: Incidental findings are not uncommon in echocardiography. A transthoracic echocardiogram (TTE) of an adult woman with arterial hypertension showed a tubular structure with hyperechoic walls in the atrial side of the atrioventricular groove in apical views. Coronary computed tomography angiography correlated this finding with a retroaortic course of the anomalous circumflex artery (retroaortic anomalous coronary artery [RAC], benign coronary artery variant). Recently described as the RAC sign on TTE, practitioners should be aware of this finding to avoid mistaken it as artifacts, catheters/leads, or calcified mitral annulus.

SUBMITTER: Lopez VC

PROVIDER: S-EPMC8603777 | biostudies-literature |

REPOSITORIES: biostudies-literature

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