Patent ductus arteriosus is a persistent opening between the two main blood vessels leaving the heart. Those vessels are the aorta and the pulmonary artery. The condition is present at birth, which means it is a congenital heart defect.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press.
Your donation powers the future of medicine and helps save lives.