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MedicineAnatomy and Physiology

Hydration Status Monitoring

Authors: R. Carter; S. N. Cheuvront; M. A. Kolka; M. N. Swaka; ARMY RESEARCH INST OF ENVIRONMENTAL MEDICINE NATICK MA THERMAL AND MOUNTAIN MEDICINE DIVISION
Abstract:
This paper reviews widely used indices of hydration status in humans. For the purposes of this review, euhydration will refer to "normal" total body water (TBW), whereas hypohydration will refer to a body water deficit. The term dehydration will be used to refer to the dynamic process of body water loss(i.e., the transaction from euhydration to hypohydration). Greenleaf and Sargent, 1965; Sawka, 1992). The term hypovolemia will define when blood volume is less than "normal". Both physical and cognitive performance are impaired proportionally to the magnitude of-body water loss incurred (Gopinathan et al, 1988;Sawka, 1988). However, even small losses of body water (1-2 percent body mass (BM) have a detrimental impact on physical work and negatively impact human thermoregulation,

Limitations: APPROVED FOR PUBLIC RELEASE
Pages: 12
Report Date: 2004
Report Number: A109754
Keywords relating to this report:
BLOOD VOLUME
BODY TEMPERATURE
COGNITION
DEHYDRATION
HEAT BALANCE
HYDRATION
MONITORING
PERFORMANCE(HUMAN)
WATER
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