The abbreviation PDA stands for a congenital anomaly in which there is a connection between the aorta and pulmonary artery.

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PDA stands for Patent Ductus Arteriosus, which is a congenital heart defect where the ductus arteriosus, a blood vessel that connects the pulmonary artery to the aorta in fetal circulation, remains open after birth. This results in abnormal blood flow between the two vessels.

The Abbreviation PDA Stands for a Congenital Anomaly in Which