Gas Related Problems Related to SpacesuitsDr. Jonathan B. Clark is an adjunct Associate Professor of Neurology and Space Medicine at Baylor College of Medicine. From 1997 to 2005, he worked at NASA as a six-time Space Shuttle crew surgeon and was chief of the Medical Operations Branch at the Johnson Space Center. During this event, Dr. Clark discussed the hazards of low oxygen partial pressure (hypoxia) and high CO2 concentration (hypercarbia). This is one event of a medical series delivered to the SKC Program by Dr. Clark. This series focuses on spacesuit medical lessons learned and medical safety aspects of the suit.