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生理適應 · HARD · MCQ

病人鉀離子濃度為 6.2 mEq/L,護理師應預期採取哪種藥物處置?

A client has a potassium level of 6.2 mEq/L. Which medication should the nurse anticipate?

  • AFurosemide
    Furosemide(呋塞米)
  • BCalcium gluconate✓ 正解
    Calcium gluconate(葡萄糖酸鈣)
  • CKayexalate
    Kayexalate(聚苯乙烯磺酸鈉)
  • DSpironolactone
    Spironolactone(螺內酯)
Explanation · 中文詳解

高血鉀 6.2 mEq/L 屬緊急狀態,需優先穩定心肌細胞膜以預防心律不整,Calcium gluconate(葡萄糖酸鈣)為首選藥物,用於拮抗鉀離子對心肌的影響。Furosemide 與 Kayexalate 屬於後續排除鉀離子的治療,而 Spironolactone 是保鉀利尿劑,絕對禁用。

Hyperkalemia of 6.2 mEq/L is an emergency, and the first priority is to stabilize the myocardial cell membrane to prevent arrhythmia. Calcium gluconate is the first-line medication, used to counteract the cardiac effects of potassium. Furosemide and Kayexalate are subsequent therapies for removing potassium, and spironolactone is a potassium-sparing diuretic that is absolutely contraindicated.

✦ 台美臨床差異

美國臨床醫學對高血鉀的急救流程(Calcium -> Insulin/Dextrose)非常標準化,台灣醫護團隊亦遵循此指引,但執行細節依各醫院規範略有不同。

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