Ascending Aortic Aneurysm in an Asymptomatic Young Woman Without Risk Factors.

• Ascending TAA tend to be asymptomatic and are not rare, even in young individuals. • Consider Marfan, Ehlers Danlos, Loeys-Dietz, Turner, bicuspid aortic valve, or tertiary syphilis. • Familial thoracic aortic syndrome is a rare autosomal dominant cause. • All patients with a diastolic heart murmur should be investigated with TTE.