“Primer in Diving Physiology” Presented by: Capt. Marie Knafele USN MD ~ PhD NEDU Chief Medical Officer  NAUI TECHNICAL DIVING CONFERENCE 2000 Army Special Forces Underwater Operations School, Key West, Florida, US  November 01, 2000 Capt Knafele "Discusses oxygen toxicity, CO2 buildup, and technical diving." See the video at