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Related Concept Videos

Disorder of Water Balance01:29

Disorder of Water Balance

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Water balance disorders are medical conditions that occur when there is a deviation from the body's water volume or osmolarity, disrupting normal homeostasis and leading todehydration, hypotonic hydration, hyperhydration, edema, or water intoxication.
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
403
Regulation of Water Intake01:25

Regulation of Water Intake

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Osmolality refers to the number of solute particles per kilogram of solvent in a solution. Plasma osmolality specifically indicates the total number of solute particles per kilogram of water in blood plasma. This value reflects the body's hydration status and is tightly regulated through mechanisms controlling water intake and output. While water consumption is a conscious decision, the body has intrinsic regulatory systems to maintain fluid balance. Dehydration, a state of water deficit...
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Body Water Content and Fluid Compartments01:19

Body Water Content and Fluid Compartments

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Life's biochemical processes occur within aqueous solutions. Solutes are substances that are dissolved within these solutions. The human body contains a variety of solutes, which can differ across various body parts. These can encompass proteins—such as those responsible for clotting and carbohydrate transport—as well as electrolytes. In medicine, an electrolyte is often described as a mineral ion derived from a salt possessing an electric charge. Examples include sodium ions...
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Homeostatic Imbalance01:10

Homeostatic Imbalance

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Homeostasis is the maintenance of a stable internal environment within the body, which is crucial for the proper functioning of cells, tissues, organs, and organ systems. The body has various control mechanisms that work together to regulate various physiological parameters such as temperature, blood pressure, pH balance, and fluid balance, to name a few. These control mechanisms are based on feedback loops that can be either positive or negative.
However, sometimes these feedback loops fail,...
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Heart Failure Drugs: Diuretics01:22

Heart Failure Drugs: Diuretics

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Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...
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Regulation of Water Output01:26

Regulation of Water Output

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The human body predominantly expels water through the urinary system. On average, an individual generates around 1.5 liters of urine each day. This amount can fluctuate based on how well a person is hydrated, but a critical minimum quantity of urine must be produced to ensure the body's proper functioning. Daily, the kidneys remove 600 to 1200 milliosmoles of dissolved substances, effectively excreting excess minerals and water-soluble toxins such as creatinine, urea, and uric acid from the...
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Related Experiment Video

Updated: Jul 5, 2025

Evaluation of Fluid Overload by Bioelectrical Impedance Vectorial Analysis
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Fluid Status Vulnerability in Older Adults.

Suzanne Purvis1,2,3, Terry Gion1,2,3

  • 1Confidence in Aging, LLC, Alexandria, Virginia (Purvis); Confidence in Aging, LLC, Madison, Wisconsin (Gion).

Journal of Infusion Nursing : the Official Publication of the Infusion Nurses Society
|January 11, 2024
PubMed
Summary

Older adults experience physiological changes affecting fluid balance. Infusion nurses knowledgeable in geriatric care can prevent complications like dehydration and kidney injury through best practices and new technology.

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Area of Science:

  • Gerontology
  • Nephrology
  • Geriatric Nursing

Background:

  • Physiological changes associated with aging significantly impact fluid and electrolyte balance in older adults.
  • Infusion nurses require specialized knowledge to manage geriatric patients and identify age-related fluid balance alterations.
  • Failure to manage these changes can lead to severe health complications in the elderly population.

Conclusions:

  • Enhanced understanding of age-related fluid balance changes is critical for infusion nurses.
  • Implementing geriatric best practices in patient education and care can mitigate risks.
  • New technologies offer potential for improved monitoring and management of fluid and electrolyte status in older adults.