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A rare congenital heart malformation of unknown aetiology that is characterised by an extremely dilated right atrium. It is usually asymptomatic and fortuitously discovered by echocardiography or chest radiography and can be sometimes associated with other anomalies such as atrial arrhythmias (e.g. atrial flutter, atrial fibrillation, supraventricular tachycardia), severe tricuspid regurgitation, or atrial thrombus that could lead to potentially life-threatening thromboembolic complications.
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A rare congenital heart malformation of unknown etiology that is characterized by an extremely dilated right atrium. It is usually asymptomatic and fortuitously discovered by echocardiography or chest radiography and can be sometimes associated with other anomalies such as atrial arrhythmias (e.g. atrial flutter, atrial fibrillation, supraventricular tachycardia), severe tricuspid regurgitation, or atrial thrombus that could lead to potentially life-threatening thromboembolic complications.
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