An angiocardiogram was performed on an infant who had symptoms of breathlessness and it was found that he had a patent ductus arteriosus.

An angiocardiogram was performed on an infant who had symptoms of breathlessness and it was found that he had a patent ductus arteriosus. Discuss the location and function of the ductus arteriosus in the fetus and relate it to the reason for the infant’s breathlessness.