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Electrolytes – Location in Body Nursing Mnemonic

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PISO

  • P-Potassium
  • I-Inside the cell
  • S-Sodium
  • O-Outside the cell

Description

Potassium and sodium are the two most abundant cations in the body and have an inverse relationship in regards to intracellular and extracellular concentrations. Potassium is primarily located within the cell and sodium is primarily located outside the cell.

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