Unusual Giant Right Atrium in Rheumatic Mitral Stenosis and Tricuspid Insufficiency

<table>Transthoracic echocardiography, apical four chambers view. Massive enlargement of the right atrium. The right atrial area was 80.6 cm² (53.7 cm²/m²), and the calculated right atrial volume was 621 mL (414 mL/m²). LA: left atrium. LV: left ventricle. RA: right atrium. RV: right ventricle.</table>

Case Reports in Cardiology

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Figure 2: Unusual Giant Right Atrium in Rheumatic Mitral Stenosis and Tricuspid Insufficiency 