Cardiovascular reactivity in the dog after chemical sympathectomy with 6-hydroxydopamine.
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Biomedical subjects
Publications and source records attributed to P Gauthier.
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Twelve subjects, experienced parachutists, have been recorded by telemetry before, during and after free-fall parachute jumps. The heart rate showed a statistically significant tachycardia during the different events of the jump (exit, free-fall, opening, open parachute and landing) compared to the baseline before boarding the aircraft. This tachycardia indicates a stress reaction confirmed by a significant increase of adrenalin and noradrenalin in urine. The electroencephalographic invesitgation does not show any adnormalities. Alpha rhythms have been recorded from alpha reactive subjects during free-fall stabilization.
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