Patent Foramen Ovale (PFO)
Patent Foramen Ovale (PFO) [patent=open, foramen=opening] a flap in the wall between the two atria. During fetal development blood flows through that hole. However, it’s supposed to close after birth.
CHD Heart images and text descriptions
Patent Foramen Ovale (PFO) [patent=open, foramen=opening] a flap in the wall between the two atria. During fetal development blood flows through that hole. However, it’s supposed to close after birth.