A PFO is a passage in the wall between the right and left atria of the heart that can be found in about 25 percent of adults. Its size and the degree of blood flow through it vary. It can greatly impact diving.
Do you fully understand the origins of breathing gas? Learn more about the art and science of producing breathing gas.
DAN member Georgienne Bradley shares her stories concerning diving and why she is a DAN member. Read more.
Breast cancer can be debilitating and one DAN member shares her story of recovery and returning to diving after complex breast cancer surgery.
There are over 1,300 hyperbaric chambers in the U.S. but only 130 are available for emergencies — and only two are dedicated to divers.
