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Pubmed for Handhelds

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  • Title: Effects of head-down tilt on fluid and electrolyte balance.
    Author: Volicer L, Jean-Charles R, Chobanian AV.
    Journal: Aviat Space Environ Med; 1976 Oct; 47(10):1065-8. PubMed ID: 985278.
    Abstract:
    The metabolic effects of -5degrees tilt were studied in eight normal individuals. Exposure to tilt for 24 h increased solution excretion and decreased plasma volume. Plasma renin activity and plasma aldosterone levels were not significantly different from supine values during the first 6 h of tilting, but were increased significantly at the end of the 24-h tilt period. Creatinine clearance and potassium balance were not affected by the tilt. These findings indicate that head-down tilt induces a sodium diuresis and stimulation of the renin-angiotensin-aldosterone system.
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