- Oct 17, 2011
I recently had a CT scan in conclusions it sat small PDA branch which stands for Patent duc...

Patent ductus arteriosus (PDA) is a condition in which a blood vessel called the ductus arteriosus fails to close normally in an infant soon after birth. (The word "patent" means open.)
The condition leads to abnormal blood flow between the aorta and pulmonary artery, two major blood vessels surrounding the heart.
PDA