Crystalloids

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A crystalloid fluids form a true solution meaning it can easily cross a semi permeable membrane and is distinguished by its ability to be crystallised. They can be classified as maintainance or replacement fluids. A replacement crystalloid often do not have high potassium concentrations allowing for rapid administration without potassium toxicity, where as maintainance crystalloids often have a higher potassium but lower sodium and chloride then a replacement crystalloid.

Types of Crystalloids

  • 0.9% Sodium Chloride
  • Hartmanns/Lactated Ringers Solution
  • 5% Dextrose

0.9% Sodium Chloride

Hartmanns/Lactated Ringers

5% Dextrose