Objective The purpose of this meta-analysis was to evaluate the association between enlarged right atrial area (RAA), as measured by echocardiography, and prognosis of patients with pulmonary arterial ...

Figure 1. Imaging studies before surgery. A, ECG shows supraventricular tachycardia. B, Transthoracic echocardiogram in off-axis parasternal view demonstrates a giant right atrial aneurysm (d). C, ...