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How long do you recommend waiting before repeating a serum electrolyte panel after the conclusion of an intermittent hemodialysis session to ensure accurate results are obtained?

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Mednet Member
Mednet Member
Nephrology · University Of California San Francisco Medical Center At Parnassus

Depends on what our goal is. For an accurate potassium level, I would wait at least 4 hours, but likely 6 hours. For an accurate urea level, 1-2 hours would be fine. For phosphorus, again, I would wait longer. At times, I check labs right after dialysis to see if the temporary decrease in serum elec...

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