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生理適應 · MEDIUM · SATA

護理師照護低血鉀病人。應採取哪些護理介入?(選所有適合的)

A nurse is caring for a patient with hypokalemia. Which nursing interventions are appropriate? (Select all that apply.)

  • AMonitor heart rhythm via ECG✓ 正解
    透過心電圖(ECG)監測心律
  • BEncourage intake of bananas and oranges✓ 正解
    鼓勵攝取香蕉和柳橙
  • CAdminister potassium chloride via IV push
    經靜脈推注給藥氯化鉀
  • DAssess deep tendon reflexes✓ 正解
    評估深部腱反射
  • EEvaluate respiratory muscle strength✓ 正解
    評估呼吸肌力量
Explanation · 中文詳解

低血鉀(Hypokalemia)會影響細胞膜電位,導致神經肌肉與心臟傳導異常。心律監測是首要安全措施,以防致命心律不整(如 U 波出現)。肌肉無力可能導致呼吸肌麻痺,故須評估呼吸強度與深腱反射。飲食補充是輕度低血鉀的補救方式。絕對禁止靜脈推注(IV Push)鉀離子,這會造成心臟驟停,必須嚴格遵守給藥安全規範。

Hypokalemia affects cell membrane potentials, leading to neuromuscular and cardiac conduction abnormalities; therefore, monitoring heart rhythm via ECG is essential to detect life-threatening arrhythmias. Muscle weakness is a common symptom, so assessing deep tendon reflexes and respiratory muscle strength is critical to identify potential paralysis. Encouraging potassium-rich foods helps replenish levels in mild cases, whereas intravenous potassium must never be given as a direct push due to the risk of fatal cardiac arrest.

✦ 台美臨床差異

在美國臨床護理中,鉀離子補充必須嚴格遵守『No Piss, No Potassium』原則,且 IV 鉀離子必須經過藥局稀釋,嚴禁護理師自行推注。

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