Patent ductus arteriosus history and symptoms

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Associate Editor-In-Chief:Cafer Zorkun, M.D., Ph.D. [2]; Keri Shafer, M.D. [3] Priyamvada Singh, MBBS [[4]]

Assistant Editor-In-Chief: Kristin Feeney, B.S. [[5]]

History and symptoms

Usually asymptomatic or may present with symptoms of heart failure, lower extremity clubbing, dyspnea. Depending on the size of the PDA, a cardiac murmur can be missed during the first physical exam of the newborn, because of the high pulmonary pressure that avoids the left-to-right shunt at that time. When the pulmonary pressure drops, the murmur is evident.

The development of the ductus arteriosus can occur one of two ways: