A client has been diagnosed with hyperkalemia. Which medication would the nurse expect to give?
1. Potassium chloride
2. Furosemide (Lasix)
3. Calcium carbonate (TUMS)
4. Sodium polystyrene sulfate (Kayexalate)
Correct Answer: 4
Rationale 1: Potassium chloride would raise potassium levels more.
Rationale 2: Furosemide (Lasix) is not given to treat hyperkalemia.
Rationale 3: Calcium carbonate (TUMS) is not given to treat hyperkalemia.
Rationale 4: In severe cases, serum potassium levels may be lowered by administering sodium polystyrene sulfate (Kayexalate), a resin that removes potassium ions by exchanging them for sodium ions in the large intestine. This agent is given concurrently with a laxative to promote rapid evacuation of the potassium. Sodium polystyrene sulfate is available in oral and enema formulations.
Global Rationale: In severe cases, serum potassium levels may be lowered by administering sodium polystyrene sulfate (Kayexalate), a resin that removes potassium ions by exchanging them for sodium ions in the large intestine. This agent is given concurrently with a laxative to promote rapid evacuation of the potassium. Sodium polystyrene sulfate is available in oral and enema formulations. Potassium chloride would raise potassium levels more. Furosemide (Lasix) is not given to treat hyperkalemia. Calcium carbonate (TUMS) is not given to treat hyperkalemia.
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