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"The mixture of potassium chloride (10%, 50 mL) and sodium chloride (0.9%, 10 mL) was infused at a rate of 6 mL/h. However, the patient developed purplish swelling along the site of the cannula, which was not noted until half of the infusion was given" Ma and Wang (2025).
Potassium chloride solution extravasation injury

Extract:

“A 66-year-old male was admitted to the emergency department for brain trauma. The patient underwent general anesthesia preoperatively. Potassium chloride solution was given by intravenous infusion pump into a peripheral vein in the dorsum of the left hand due to severe hypokalemia of 2.8 mmol/L. The mixture of potassium chloride (10%, 50 mL) and sodium chloride (0.9%, 10 mL) was infused at a rate of 6 mL/h. However, the patient developed purplish swelling along the site of the cannula, which was not noted until half of the infusion was given.”

Reference:

Ma J, Wang J. Extravasation Injuries. J Am Coll Emerg Physicians Open. 2025 Jan 31;6(2):100048. doi: 10.1016/j.acepjo.2025.100048. PMID: 39981507; PMCID: PMC11841082.

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