Osmolality
Jan 28, 2023•5 min
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Episode description
Get a free nursing lab values cheat sheet at NURSING.com/63labs
What is the Lab Name for Osmolality Lab Values?
Osmolality
What is Osmolality in terms of Nursing Labs?
Osmolality is a measure of the particles in solution. The size, shape, and charge of the particles do not impact the osmolality
What is the Normal Range for Osmolality?
261 – 280 mOsm/kg
What are the Indications for Osmolality?
- Monitor:
- Electrolyte balance
- Acid-Base balance
- Hydration
- Evaluate function of antidiuretic hormone.
What would cause Increased Levels of Osmolality?
- Dehydration
- Azotemia
- Hypercalcemia
- Hyperosmolar Hyperglycemia Syndrome (HHS)
- Hypernatremia
- Diabetes Insipidus
- Hyperglycemia
- Mannitol therapy
- Uremia
- Severe pyelonephritis
- Shock
- Ketosis
What would cause Decreased Levels of Osmolality?
- Hyponatremia
- Syndrome of Inappropriate Antidiuretic Hormone (SIADH)
- Overhydration
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