Oxygen first aid delivered to an unconscious but normally breathing patient (suspected DCI) via free-flow (15 LPM) with non-rebreather mask.
Video: Oxygen First Aid Administration via Non-Rebreather Mask
Divers Alert Network (DAN)
The largest association of recreational scuba divers in the world, DAN is supported by membership dues and donations. DAN's mission is to help divers in need of medical emergency assistance and to promote dive safety through research, education, products and diving services.