Coronary arterial spasm in single right coronary artery |
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Authors: | En-zhi Jia Qi-jun Shan Zhi-jian Yang Tie-bing Zhu Lian-sheng Wang Ke-jiang Cao Wen-zhu Ma |
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Institution: | 1. Department of Cardiovascular Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
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Abstract: | We presented a case of anomalous single-coronary artery detected incidentally during routine coronary angiography. A 32-year-old
male Chinese patient presented with recurrent pre-syncope and six episodes of syncope. Coronary angiography and coronary-computed
tomography (CT)-angiography performed by a dual-source computed tomography (DSCT) revealed that the patient had a single large
right coronary artery. A moderately large branch originated from the proximal part of the single right coronary artery and
extended to the left, passing the anterior to the pulmonary artery, and divided into the anterior descending artery branch
and circumflex branch at the base of the left auricular appendage. The episodes of the syncope were suspected to be caused
by coronary arterial spasm, so this patient was on a regimen of 30 mg of diltiazem every 6 h and had no recurrence of syncope
during follow-up. |
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Keywords: | Single right coronary artery Spasm Syncope |
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