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Congenital left atrial appendage aneurysm: A treacherous extra chamber

© 2017 Heart India | Published by Wolters Kluwer Medknow ABSTRACT Left atrial appendage aneurysm (LAAA) without involvement of mitral valve is a rare anomaly caused due to dysplasia of atrial muscles. Patients may be asymptomatic or may present with palpitations, dyspnea, atypical chest pain, or thromboembolic complications. Treatment usually consists of surgical resection of the aneurysm, and prognosis postsurgery is very good. We herein report a case of a 4‐year‐old child who presented with palpitations and found to be having LAAA.