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Images in Cardiothoracic Medicine and Surgery

Unruptured right sinus of Valsalva aneurysm dissecting into ventricular septum

Asian Cardiovascular & Thoracic Annals 0(0) 1–2 ß The Author(s) 2014 Reprints and permissions: sagepub.co.uk/journalsPermissions.nav DOI: 10.1177/0218492314543503 aan.sagepub.com

Zezhou Xiao, Zhong Zhang and Shaoyi Zheng

Figure 1. Electrocardiogram showing sinus rhythm and complete right bundle branch block.

A 49-year-old man was referred to our hospital with severe exertional dyspnea. An electrocardiogram revealed sinus rhythm and complete right bundle branch block (Figure 1). Transthoracic echocardiography depicted a large cyst measuring

5.5  3.6  5.7 cm, arising from the right coronary sinus and dissecting into the basal interventricular septum, which led to obstruction of the right ventricular outflow tract. Thoracic computed tomography demonstrated a significant unruptured aneurysm of

Department of Cardiovascular Surgery, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China Corresponding author: Shaoyi Zheng, MD, Department of Cardiovascular Surgery, 96 Dongchuan Road, Guangzhou 510080, P.R. China. Email: [email protected]

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Figure 2. Volume-rendered computed tomographic angiography showing a huge saccular aneurysm (*). The left anterior descending artery (white arrow) crossed the aneurysm with normal blood flow. LV: left ventricle; RV: right ventricle.

the right sinus of Valsalva (Figure 2). The diagnosis was confirmed at operation.

Conflict of interest statement None declared.

Funding This research received no specific grant from any funding agency in the public, commerical, or not-for-profit sectors.

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Unruptured right sinus of Valsalva aneurysm dissecting into ventricular septum.

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