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Aging and Fluid, Electrolyte, and Acid-Base Homeostasis
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Description
- Significant differences exist between adults and infants in respect to fluid distribution, regulation of fluid and electrolyte balance and acid-base homeostasis. Differences exist due to: proportion and distribution of water
Metabolic rate
- Functional development of the kidneys
- Body surface area
- Breathing rate
- Ion concentrations

- Older adults often have impaired ability to maintain fluid, electrolyte and acid-base balance. Basically, all systems slow down and function less efficiently.
- Older adults often suffer with: dehydration and hypernatremia – inadequate fluid intake, loss of more water than Na+
- Hypokalemia – chronic use of laxatives, drugs that cause K+ loss

- Acidosis – impaired ability of lungs and kidneys to compensate for acid-base imbalances.
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