2020
DOI: 10.1016/j.case.2020.07.008
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Three Echocardiographic Signs to Identify Anomalous Origin of the Circumflex Coronary Artery from the Right Sinus of Valsalva: A Case Report

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Cited by 10 publications
(22 citation statements)
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“…A retroaortic anomalous coronary sign (RAC sign) can be seen by imaging more anterior than a typical apical four chamber view to demonstrate the course of the anomalous circumflex artery as a small linear echo free region parallel to the mitral annulus 16 . Similarly, the “crossed aorta sign” is described as the appearance of an anomalous circumflex artery as a binary structure that seems to cross the aorta perpendicularly to its long axis in a five‐chamber apical view 17 . Lastly, the “bleb sign” is visualized in modified apical four‐chamber view behind left atrium during a transthoracic study 18 …”
Section: Discussionmentioning
confidence: 99%
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“…A retroaortic anomalous coronary sign (RAC sign) can be seen by imaging more anterior than a typical apical four chamber view to demonstrate the course of the anomalous circumflex artery as a small linear echo free region parallel to the mitral annulus 16 . Similarly, the “crossed aorta sign” is described as the appearance of an anomalous circumflex artery as a binary structure that seems to cross the aorta perpendicularly to its long axis in a five‐chamber apical view 17 . Lastly, the “bleb sign” is visualized in modified apical four‐chamber view behind left atrium during a transthoracic study 18 …”
Section: Discussionmentioning
confidence: 99%
“…Although these abnormalities are largely thought to have a benign clinical course, there have been case reports of adverse cardiovascular events such as angina, postoperative occlusion, myocardial infarction, and even SCD 17,19 . Therefore, the above echocardiographic views should be included, in addition to our previously described biplane views, for a comprehensive echocardiogram study seeking to rule out AAOCA.…”
Section: Discussionmentioning
confidence: 99%
“…Essa evolução pouco frequente está associada principalmente a fatores relacionados à angulação de origem da artéria coronária, à compressão extrínseca por uma dilatação da raiz da aorta e a presença de trajeto intramural na parede da aorta. [5][6][7][8][9][10] O ecocardiograma transtorácico (ECOTT) é uma ferramenta não invasiva e de fácil acesso que permite, com certa limitação, a avaliação de alguns achados sugestivos de ACAA. 10 Dentre esses achados ecocardiográficos, destaca-se o retroaortic anomalous coronary sign (RAC sign), sinal proposto por Witt et al, em 2017.…”
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“…[5][6][7][8][9][10] O ecocardiograma transtorácico (ECOTT) é uma ferramenta não invasiva e de fácil acesso que permite, com certa limitação, a avaliação de alguns achados sugestivos de ACAA. 10 Dentre esses achados ecocardiográficos, destaca-se o retroaortic anomalous coronary sign (RAC sign), sinal proposto por Witt et al, em 2017. [10][11][12] O RAC sign é caracterizado por imagem hiperecogênica, tubular, localizada na face atrial do sulco atrioventricular e perpendicular à aorta.…”
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