IV Solutions

• Hypertonic 


  More salt, less water
• Hypertonic 


  "Think Enters the vessel from the cells"
• Hypertonic

  The cells will shrink
• Hypertonic Solutions

  • > 0.9 %
  • > D5W
• Hypotonic 


  Less salt, more water
• Hypotonic 


  "This goes Out of the vessel and into the cell"
• Hypotonic

  The cells will swell.
• Hypotonic Solutions

  • < 0.9%
  • < D5W
  • D5W in the body
• Isotonic 


  Same osmolality as body fluids
• Isotonic 


  "Think stays where I put it"
• Isotonic Solutions

  • 0.9% Na Cl (NS)
  • Lactated Ringer's
  • D5W (in the bag)
• What solution to give?

  Cerebral edema - hypertonic
• What solution to give?

  Hyponatremia - hypertonic
• What solution to give?

  Blood loss - isotonic
• What solution to give?

  Hypovolemia - hypertonic
• What solution to give?

  Hypernatremia - Hypotonic
• What solution to give?

  Dehydration - Isotonic
• What solution to give?

  DKA - isotonic