Regulation of fluid and electrolyte balance

被引：0
|
作者：
Hunt, Alexander [1 ]
Essa, Ahmed [1 ]
Macnab, Ross [2 ]
机构：
[1] Manchester Univ Hosp Fdn Trust, Manchester, England
[2] Manchester Royal Infirm, Manchester, England
来源：
ANAESTHESIA AND INTENSIVE CARE MEDICINE | 2024年 / 25卷 / 05期
关键词：
Aldosterone; antidiuretic hormone; extracellular fluid; hydrostatic pressure; oedema; oncotic pressure; osmo-receptors; osmolality; sodium; total body water;
D O I：
10.1016/j.mpaic.2024.03.007
中图分类号：
R614 [麻醉学];
学科分类号：
100217 ;
摘要：
Adequate tissue perfusion and cellular function is dependent on the maintenance of effective circulatory volume and serum osmolality, respectively. As sodium is the principal extracellular cation with the inability to pass freely across the cellular membrane, it therefore has the greatest effect on extracellular fluid osmolality. The extracellular fluid (ECF) volume can increase or decrease independent of the surrounding osmolality indicating that control of plasma osmolality and volume occur through distinct physiological processes. Disorders in sodium balance with consequent effect on osmolality come about mainly due to disturbances in water homeostasis rather than an abnormality of sodium intake or excretion.
引用
收藏
页码：332 / 338
页数：7
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