Patent Ductus Arteriosus (PDA) is usually discovered early in life. Sometimes, a very small PDA may go unnoticed. They may be discovered during a routine doctor’s examination. An infant or an adult ...

Widened pulse pressure is commonly used clinically to evaluate for PDA. However, this clinical sign also does not withstand critical evaluation. Evans et al found no difference in pulse pressure ...

The two most common causes of a continuous murmur are a patent ductus arteriosus and severe aortic valve regurgitation. A patent ductus arteriosus causes a continuous murmur since there is a constant ...

SHOULD closure of a patent ductus arteriosus with reversal of flow be attempted? If so, how can the high surgical mortality hitherto reported 1–3 be reduced? An attempt is made to answer these ...

My veterinarian says my new puppy has a heart murmur called a PDA. Is this serious? What is the prognosis and how is it treated? PDA stands for patent ductus arteriosus. This occurs where a fetal ...

Although it's rare, some puppies are born with heart conditions that should be detected and treated as soon as possible to ensure that they lead a healthy life. Dr. Jordan Vitt, a veterinary ...

For preliminary testing of feasibility of the procedure a Cournand needle was placed percutaneously in the femoral artery of an anesthetized dog and a cineangiogram was recorded at 60 frames per ...

DEAR DR. ROACH: My husband is 80 years old and a survivor of liver cancer after receiving four years of immunotherapy. On a recent follow-up visit to his oncologist, the doctor told him that he has a ...

Patent ductus arteriosus (PDA) is a congenital cardiac defect that occurs when the ductus arteriosus fails to close. The result is a persistent communication between the aorta and pulmonary artery, ...