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Orthostasis and transcapillary fluid shifts.

date: 01/01/1995
author: Hinghofer-Szalkay HG.
publication: J Gravit Physiol. 1995;2(1):P131-3.
pubmed_ID: 11538896

Postural blood volume changes aggravate the regulation of arterial blood pressure and perfusion vis-a-vis the hydrostatic effects of orthostasis, ie, blood pooling below the hydrostatic indifferent points and reduced cardiac preload. Corresponding problems surface with extended passive standing, particularly in highly trained, dehydrated, or otherwise compromised subjects, or after long-lasting immobilization, as with space flight.

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