Saturday, September 12, 2009

Saturday September 12, 2009


Q: Kayexalate (Sodium Polystyrene) is a cation exchange resin that enhance potassium clearance across the GI tract. What is the exchange ratio of Na and K?

Answer:
For each mEq of potassium removed, 2-3 mEq of sodium is added. So it is important to watch for hypernatremia.

Lasix can be given to enhance removing both sodium and potassium via diuresis.

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