, HYPOTONIC SOLUTIONS STUDY SHEET
HYPOTONIC SOLUTIONS
"Water Wants In"
* Memory Trick
When you think of hypotonic fluids, imagine water looking at a cell and saying:
"I'm moving in!"
Because there are fewer particles outside the cell, water moves inside.
What Happens?
Water enters the cell
⬇
Cell swells
⬇
Risk for edema
?Think
"Hypo = H2O Hops In"
Common Hypotonic Fluids
• 0.45% Normal Saline
• 0.33% Normal Saline
• D5W (once metabolized)
Why Are Hypotonic Fluids Used?
• Cellular dehydration
• Hypernatremia
• Conditions requiring gentle hydration