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生理適應 · MEDIUM · MCQ

一位急性胰臟炎病人出現嚴重腹痛及 Trousseau 徵象陽性。護理師預期檢查結果為何?

A client with acute pancreatitis presents with severe abdominal pain and a positive Trousseau's sign. Which laboratory value should the nurse anticipate?

  • AHyponatremia
    低血鈉
  • BHypomagnesemia
    低血鎂
  • CHypocalcemia✓ 正解
    低血鈣
  • DHyperkalemia
    高血鉀
Explanation · 中文詳解

Trousseau 徵象(測量血壓時出現手部抽搐)是低血鈣的典型臨床特徵。急性胰臟炎常因脂肪壞死,脂肪酸與鈣離子結合形成皂化反應,導致血鈣降低。此徵象對偵測早期低血鈣極具靈敏度,須密切評估神經肌肉激越性。

Trousseau's sign (carpal spasm elicited during blood pressure measurement) is a classic clinical feature of hypocalcemia. In acute pancreatitis, fat necrosis often occurs, and fatty acids bind with calcium ions to form a saponification reaction, leading to decreased serum calcium. This sign is highly sensitive for detecting early hypocalcemia, and neuromuscular irritability must be closely assessed.

✦ 台美臨床差異

美國護理師常需依據檢查數據主動判斷電解質補充需求;台灣則嚴格執行醫囑給藥,護理師較少在未諮詢醫師下調整補鈣速度。

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