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Three coronary arteries arising from the right coronary cusp with a malignant sub-pulmonary course of the left anterior descending artery.


ABSTRACT: We describe a case of a 45-year-old man presenting with acute myocardial infarction investigated by computed tomography coronary angiography. Interestingly all three coronary arteries arose from the right coronary cusp. The left anterior descending artery (LAD) subtended an acute angle from the aortic root, associated with significant kinking and stenosis at the ostium, before passing anteriorly, taking a sub-pulmonic course and descending in the anterior interventricular groove. The distal vessel was small with an atrophic appearance. The circumflex artery followed a retro-aortic route, before trifurcating to supply the lateral and posterior walls of the left ventricle. The right coronary artery was normal. Given his unstable presentation and the potentially lethal course of the LAD, he was referred for grafting of the LAD vessel which successfully ameliorated his symptoms and has thus far prevented recurrent myocardial infarction. .

SUBMITTER: Chapman AR 

PROVIDER: S-EPMC6277909 | biostudies-literature | 2014 Mar

REPOSITORIES: biostudies-literature

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Three coronary arteries arising from the right coronary cusp with a malignant sub-pulmonary course of the left anterior descending artery.

Chapman Andrew R AR   Hogg Duncan D   Miller John J   Padfield Gareth J GJ  

Journal of cardiology cases 20131228 3


We describe a case of a 45-year-old man presenting with acute myocardial infarction investigated by computed tomography coronary angiography. Interestingly all three coronary arteries arose from the right coronary cusp. The left anterior descending artery (LAD) subtended an acute angle from the aortic root, associated with significant kinking and stenosis at the ostium, before passing anteriorly, taking a sub-pulmonic course and descending in the anterior interventricular groove. The distal vess  ...[more]

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