Patent Ductus Arteriosus in Cats

Patent ductus arteriosus is a congenital persistence of a fetal connection between major blood vessels. A characteristic murmur may lead to cardiac investigation.

Editorial overview based on the linked VCA resource; this is not the complete original handout. Prepared 2026-10-03; not veterinarian-reviewed. Diagnosis and treatment, including medication choice and dose, require veterinary guidance.