What Divers Should Know Before Diving (Read this before diving)

Divers should consider screening for Patent Foramen Ovale (PFO) What is PFO? PFO is a small opening between the upper chambers of the heart (atria) that normally closes shortly after birth. However, in some individuals, it remains open, allowing blood to flow between the atria. Why is PFO relevant to divers? For divers, PFO poses […]