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Kcl drops per hour for k correction

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hypokalemia AND potassium

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intravenous potassium chloride infusion rate maximum peripheral central line adult hypokalemia guideline

IV KCl correction rate in adults
  • Routine replacement: 10 mEq (mmol) per hour IV.
  • Severe hypokalemia, ECG changes, or unable to take oral potassium: up to 20 mEq/hour, with continuous cardiac monitoring. Prefer a central line or two separate peripheral lines at 10 mEq/hour each.
  • Higher rates, up to 40 mEq/hour: only in ICU/critical care, via central venous access, with continuous ECG and frequent serum potassium checks, under senior/specialist direction.
Safety
  • Never give IV KCl as a direct IV push/bolus.
  • Use an infusion pump.
  • Check renal function, urine output, magnesium, and repeat potassium frequently. Reduced or absent urine output raises hyperkalemia risk.
  • Peripheral IV infusions are commonly limited to 40 mEq/L because they cause pain/phlebitis. Follow the local hospital protocol, which may be stricter.
  • If mild and the gut works, oral KCl is preferred.
A commonly used practical order is KCl 10 mEq in 100 mL normal saline over 1 hour. The adult IV guide from Medinfo Galway similarly recommends not normally exceeding 10 mmol/hour, with 20 mmol/hour only with monitoring; their critical-care ceiling is 40 mmol/hour.
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