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Isolated unruptured aneurysm of the right sinus of Valsalva causing right ventricular outflow obstruction
  1. K M J Marques,
  2. C C De Cock,
  3. C A Visser
  1. Department of Cardiology, Free University Hospital Amsterdam, PO Box 7057, 1007 MB Amsterdam, Netherlands
  1. Dr Marques.

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It is generally believed that unruptured aneurysms of the sinus of Valsalva do not cause symptoms. They often remain undiagnosed unless rupture occurs. However, it is now recognised that unruptured aneurysms can cause symptomatic haemodynamic compromise, arrhythmias, or conduction disturbances. We describe a patient whose unruptured aneurysm caused right ventricular outflow obstruction.

In 1990 a 61 year old man experienced syncope after a considerable intake of alcohol. The patient presented to the outpatient department and a systolic heart murmur was heard. Cardiac auscultation showed a grade II/IV early systolic murmur along the left parasternal border. Echocardiography showed an aneurysmal sac originating at the sinus of Valsalva protruding into the right ventricular outflow tract. …

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