Abstract:Patent ductus arteriosus (PDA) is rarely diagnosed late in adult life, and frequently in children as an isolated disorder or complex congenital heart defect. PDA represents an anomaly defined by the communication between descending thoracic aorta below the origin of left subclavian artery and proximal part of left pulmonary artery. The hemodynamic sequelae and resultant symptomatology of PDA depend on the diameter of communication and the difference between systemic and pulmonary vascular resistance. We presen… Show more
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