Patent ductus arteriosus in infancy.
D000367:Age Factors; D004374:Ductus Arteriosus, Patent / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000601:surgery*; D004562:Electrocardiography; D005500:Follow-Up Studies; D006439:Hemodynamics; D006801:Humans; D007223:Infant; D011183:Postoperative Complications; D011300:Preoperative Care; D011859:Radiography