title: Patent ductus arteriosus in an aged dog.
mesh_terms: D000367:Age Factors; D000818:Animals; D001011:Aorta / Q000473:pathology; D004283:Dog Diseases / Q000000981:diagnostic imaging / Q000473:pathology; D004285:Dogs; D004374:Ductus Arteriosus, Patent / Q000000981:diagnostic imaging / Q000473:pathology / Q000662:veterinary*; D004562:Electrocardiography; D006326:Heart Auscultation; D007668:Kidney / Q000473:pathology; D008297:Male; D009206:Myocardium / Q000473:pathology; D009393:Nephritis / Q000473:pathology / Q000662:veterinary; D011859:Radiography