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13. PREDICTIVE STUDIES VII (PS VII). EXERCISE O2/CO2 INTERACTIONS AND CNS O2 POISONING, 2.0 ATA

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Experiment Name
13.00 BRAIN BLOOD FLOW (CBF) EFFECTS OF O2 IN EXERCISE AND IMMERSION CBF METHODS CALIBRATION --- Transcranial Doppler (TCD) Method vs XENON (velocity vs blood flow). Rest, dry, CO2, Hyperventilation N=8 REST/EXERCISE Same day and same subjects Pilot study, no xenon, dry, CO2, N=7 ERGOMETER CALIBRATION (subjects immersed or dry)

REPORT: Clark, J. M., B. E. Skolnick, R. Gelfand, R. E. Farber, M. Stierheim, W. C. Stevens, G. Beck, Jr., and C. J. Lambertsen. Relationship of 133Xe cerebral blood flow to middle cerebral arterial flow velocity in men at rest. J. Cerebral Blood Flow Metab. 16: 1255-1262, 1996.

13.01

IMMERSION / EFFECTS ON EXERCISE(WORK LOAD)-DRY vs HEAD-IN WATER Pilot study, N=5

13.02

IMMERSION / EFFECTS OF EXERCISE - DRY vs HEAD-OUT OF WATER Pilot study, N=5 same subjects as 13.01, different day

13.03

EFFECT OF REPEATING EXERCISE PROTOCOLS ON VENTILATION AND GAS EXCHANGE Pilot study: 4 exercise levels, sequence 3 times in succession

IMMERSION / AND CO2 (5 GAS) DRY vs HEAD-IN vs HEAD-OUT OF WATER, 1.0 ATA N=8, air, CO2/O2 mixes, blood gases

IMMERSION / AND EXERCISE DRY vs HEAD-IN vs HEAD-OUT OF WATER, 1.0 ATA N=8, air, no blood gases

13.10

EXERCISE/O2 AT 2.0 ATA O2

13.11

DRY - REST VS EXERCISE, 1 ATA AIR VS EXERCISE, 2 series same N=9 subjects as 2 ATA O2 exercise, control, training

13.12

DRY - REST VS EXERCISE, 2 ATA O2/EXERCISE, 2 ATA NORMOXIA N=9, TCD (Spring 95)

REPORT: Clark, J.M., R. Gelfand, C.J. Lambertsen, W.C. Stevens, G. Beck, Jr. and D.G. Fisher. Human tolerance and physiological responses to exercise while breathing oxygen at 2.0 ATA. Aviat. Space Environ. Med. 66: 336-345, 1995.

13.13

DRY - VOLUNTARY HYPERVENTILATION, REST/EXERCISE (2 WORK LOADS), ATA O2/CONTINUOUS EXERCISE, CONSTANT WORK LOAD, 2 ATA O2, N=3 (July 95)

13.14

CO2 EFFECTS IN EXERCISE (See also 7.15)

08 February 2000 03:31:58 PM


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