A rare case of large 22 mm Pulmonary artery to Left atrial (PA-LA) fistula is described. Diagnosis on transthoracic echocardiography is highlighted. It is first report to depict common occurrence of PA-LA fistula with pulmonary vein varix. Managed successfully with transcatheter approach using Atrial Septal Defect closure device.
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Munde et al. (2023) studied this question.