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학습 자료 둘러보기 →In TLS, the priority intervention targets the most immediately fatal abnormality. A potassium level of 7.2 mEq/L represents severe hyperkalemia with a high risk of cardiac arrest.
The first action is immediate cardiac monitoring and preparing for emergency interventions. Administering IV calcium gluconate or calcium chloride is the critical first drug therapy to stabilize the cardiac membrane, preventing ventricular fibrillation.
IV calcium does not lower the serum potassium level; it only protects the heart. Definitive treatments like insulin and dextrose, beta-agonists, or dialysis must follow immediately to shift or remove potassium.
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