Patent Ductus Arteriosus in the Dog (PDA) | Congenital Heart Disease. Diagram showing abnormal flow from the aorta (AO) to the pulmonary artery (PA) across. Patent ductus arteriosus (PDA in dogs) is one of the most common congenital heart defects. The ductus arteriosus is a communication between 2 major vessels. When most puppies or kittens are born, the ductus arteriosus closes. The majority of dogs and cats with PDA have a very loud heart murmur that can be heard.
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Signing up for MypetMD is easy, free and puts the most relevant content at your fingertips. What is a Large Animal Internal Medicine Specialist? If detected in time, this is the only cardiac disease in dogs that can actually be cured. College of Veterinary Medicine - Cornell University. An echocardiogram sonogram of the heart will also be performed to assess how well the heart is working and to visualize the PDA.