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Effects of weightlessness on human fluid and electrolyte physiologySkylab and Spacelab data on changes occurring in human fluid and electrolyte physiology during the acute and adaptive phases of adaptation to spaceflight are summarized. The combined results for all three Spacelab studies show that hyponatremia developed within 20 h after the onset of weightlessness and continued throughout the flights, and hypokalemia developed by 40 h. Antidiuretic hormone was increased in plasma throughout the flights. Aldosterone decreased by 40 h, but after 7 days it had reached preflight levels.
Document ID
19910054887
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Leach, Carolyn S.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Johnson, Philip C., Jr.
(NASA Johnson Space Center Houston, TX, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1991
Subject Category
Aerospace Medicine
Accession Number
91A39510
Distribution Limits
Public
Copyright
Other

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