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AbstractAn unruptured sinus of Valsalva
aneurysm is rare and is usually asymptomaticuntil
a symptom associated with its
complication develops. Hence, an unruptured
sinus of Valsalvaaneurysm is not
infrequently missed unless echocardiogram
is performed with other indications.
Among the other presenting features, an
unruptured sinus of Valsalva aneurysm
rarely protrudes intothe right ventricular
outflow tract, causing the right ventricular
outflow tract obstruction. In this report,we
describe a rare case of unruptured sinus
of Valsalva aneurysm producing the right
ventricularoutflow tract obstruction, which
was incidentally detected by echocardiography.

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