Manav Sohal, Ronak Rajani and Adam De Belder Sinus of Valsalva Aneurysm—An Unusual Cause of Syncope Echocardiography 27
Article first published online: 9 JUN 2010 | DOI: 10.1111/j.1540-8175.2009.01141.x
Sinus of Valsalva aneurysms are rare anomalies which often only become apparent at the time of rupture. Syncope associated with unruptured aneurysms is a recognised symptom but in most previously reported cases the mechanism has been either a brady- or tachyarrhythmia. We report a case of a large sinus of Valsalva aneurysm affecting the right coronary cusp which presented with syncope secondary to hypotension thought to be resulting from reduced left atrial fi lling as a consequence of transient right ventricular outfl ow tract obstruction. The case demonstrates how echocardiographic and angiographic images correlate and also an unusual mechanism of syncope.
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