Congenital heart disease
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Congenital heart disease · Nov 2009
Case ReportsLeft atrial appendage aneurysm-a rare anomaly with an atypical presentation.
Left atrial appendage aneurysm (LAAA) is a rare condition caused by congenital dysplasia of the atrial muscles. Patients usually present with atrial tachyarrhythmias as a result of ectopic foci of atrial rhythm generation or systemic thromboembolism. ⋯ This structure was later confirmed as a LAAA on cardiac magnetic resonance imaging. Patient underwent aneurysmectomy without any complications.