Description: This medical illustration series depicts a silhouette of an infant with visible underlying cardiac (heart) and pulmonary (lungs) anatomy. Beside the infant are two enlargements of the region of the pulmonary artery and the aorta. These enlargements compare normal infant circulation, demonstrating a closed ductus arteriosus, to abnormal circulation showing a patent ductus arteriosus.

Last Updated: Mar 5th, 2020