Closure of the Ductus Arteriosus Requires Quizlet
Learn vocabulary terms and more with flashcards games and other study tools. Occasionally particularly in preterm infants this vessel remains open a condition known as patent ductus arteriosus. Patent Ductus Arteriosus Flashcards Quizlet Enlargement of the diameter of the aorta is not the problem in patent ductus arteriosus. . After birth the increased oxygen tension causes a functional closure of the ductus arteriosus.