<< Evidence-Based Management of Potassium Disorders in the Emergency Department (Pharmacology CME)

Case Presentations & Case Conclusions

Case Presentations

An elderly woman presents with 4 days of generalized weakness and fatigue secondary to diarrhea. On examination, she appears dehydrated. During your workup, you find that she is in acute renal failure and is suffering from hyperkalemia, with a serum potassium of 6.5 mEq/L. Her ECG shows mild peaked T waves. During discussion with the admitting physician, you are asked to give the patient sodium polystyrene. You seem to recall some controversy regarding this treatment and wonder if it is really indicated for this patient.

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