Hyperk
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hyperkalemia treatment emergency management guideline 2025
HyperK usually means hyperkalemia, an elevated blood potassium level.
- It can trigger dangerous cardiac arrhythmias, particularly when severe or when ECG changes are present.
- Common causes include kidney dysfunction, metabolic acidosis, cell breakdown, and medicines such as ACE inhibitors, ARBs, potassium-sparing diuretics, trimethoprim, NSAIDs, and potassium supplements.
- A falsely high result can occur from a hemolyzed blood sample, so repeat testing may be needed.
- Acute management follows three priorities: protect the heart with IV calcium when indicated, shift potassium into cells (such as insulin with glucose and inhaled beta-agonist), then remove potassium from the body (diuretics, potassium binders, or dialysis depending on context). The UK Kidney Association guideline recommends emergency assessment and treatment for severe cases, with careful glucose monitoring after insulin.
If this refers to an actual lab value, particularly K⁺ ≥6.0 mmol/L, weakness, palpitations, chest symptoms, or an abnormal ECG, seek urgent medical assessment.
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