Hypercapnia: Cognitive Effects and Monitoring
Hypercapnia, Exercise, Nitrogen Narcosis
About this trial
This is an interventional basic science trial for Hypercapnia focused on measuring diving, cognitive impairment, nitrogen narcosis, narcosis, end tidal carbon dioxide, arterial carbon dioxide, immersion
Eligibility Criteria
Inclusion Criteria:
- healthy,
- male,
- age greater than 18,
- age less than 50
Exclusion Criteria:
- smoker,
- asthma,
- cardiac disease,
- inability to pedal a bicycle ergometer,
- inability to perform vigorous exercise
Sites / Locations
- Duke Center for Hyperbaric Medicine and Environmental Physiology
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Experimental
Experimental
Experimental
dive to 122 feet, no exercise
dive to 158 feet, no exercise
dive to 122 feet, exercise
dive to 158 feet, exercise
Subjects will undergo a simulated dive to a maximum depth of 122 feet of seawater with no exercise at depth
Subjects will undergo a simulated dive to a maximum depth of 154 feet of seawater with no exercise at depth
Subjects will undergo a simulated dive to a maximum depth of 122 feet of seawater with exercise at depth
Subjects will undergo a simulated dive to a maximum depth of 154 feet of seawater with exercise at depth.