Congenital aneurysm of the right atrium is described in a 1-year-old girl w
ho presented with cardiomegaly and symptoms of paroxysmal supraventricular
tachycardia. Echocardiography and cineagiography both established the defin
itive diagnosis and surgical resection was successful. The rarity of this c
ondition is pointed out and its main features outlined. (C) 2001 Elsevier S
cience B.V. All rights reserved.