Effects of varying thermal and apneic conditions on the human diving reflex

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Effects of varying thermal and apneic conditions on the human diving reflex

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Title: Effects of varying thermal and apneic conditions on the human diving reflex
Author: Speck, DF; Bruce, DS
Abstract: An investigation of the importance of water contact, cooling, and apnea to the development of the diving reflex in humans was performed in two experimental series. The first series involved exposure of different parts of the face to direct water contact, while the second consisted of face immersion in water baths of varying temperatures. Data were obtained on heart rate (ECG's) and peripheral vasoconstriction (by indirect blood pressure using sphygmomanometry). Results were interpreted to indicate that the diving reflex is actuated by both facial cooling and apnea, but not by any direct effect of water contact other than cooling. Adolescent Adult Bradycardia/physiopathology *Cold *Diving Face Female Human Immersion/*physiopathology Male Oxygen Reflex/*physiology
Description: Undersea and Hyperbaric Medical Society, Inc. (http://www.uhms.org )
URI: PMID: 636078
http://archive.rubicon-foundation.org/2827
Date: 1978

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  • Undersea Biomedical Research Journal
    The Undersea Baromedical Research journal was published by the Undersea Medical Society, Inc. (now the Undersea and Hyperbaric Medical Society) quarterly from 1974 to 1992 when the name changed to the Undersea and Hyperbaric Medicine Journal.

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