While a baby grows in the womb, there is a normal opening between the left and right atria (upper chambers) of the heart. If this opening fails to close naturally soon after the baby is born, the hole is called patent foramen ovale (PFO).
A foramen ovale allows blood to bypass the lungs. A baby's lungs are not used when it grows in the womb, so the hole does not cause problems in an unborn infant. The opening is supposed to close...Read more
What exactly is a patent foramen ovale (PFO)? Has it been known to cause stroke? If the PFO is repaired, what are the chances of recurring... Read more »
A colleague of mine has, from time to time, stopped in my office to chat about her father. I'm the "office expert," when it comes to... Read more »