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Potassium (K+)

NURSING.com Team

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What is the Lab Name for Potassium?

Potassium

What is the Lab Abbreviation for Potassium?

K+

What is Potassium in terms of Nursing Labs?

Potassium (K+) is the most abundant intracellular cation and plays a vital role in the transmission of electrical impulses in cardiac and skeletal muscle. It plays a role in acid base equilibrium. In states of acidosis hydrogen with enter the cell as this happens it will force potassium out of the cell, a 0.1 decrease in pH will cause a 0.5 increase in K+.

What is the Normal Range for Potassium?

3.5 – 5.0 mEq/L

What are the Indications for Potassium?

Evaluate:
- Electrolyte imbalances
- Cardiac arrhythmias
Monitor patients who are:
- Acidotic
- Receiving diuretic therapy

What would cause Increased Levels of Potassium?

Renal failure
Hypoaldosteronism
Addison disease
Injury to tissues
Diabetes Mellitus (DM)
Ketoacidosis
Hyperventilation
Acidosis
Infection
Dehydration
Burns

What would cause Decreased Levels of Potassium?

Hyperaldosteronism
Excess insulin
Alkalosis
Diarrhea
Vomiting
Cystic Fibrosis
Cushing Syndrome

NURSING.com Team

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