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藥理與非經腸給藥 · MEDIUM · MCQ

病人正接受肝素治療,aPTT 為 120 秒。護理師應優先採取何種措施?

A client receiving heparin therapy has an aPTT of 120 seconds. What is the priority nursing action?

  • AStop the heparin infusion✓ 正解
    停止肝素輸注
  • BDocument the result and continue the infusion
    記錄結果並繼續輸注
  • CAdminister protamine sulfate
    給予硫酸魚精蛋白
  • DRequest a repeat aPTT test
    要求重複進行活化部分凝血活酶時間檢測
Explanation · 中文詳解

肝素(Heparin)治療的治療性 aPTT 範圍通常為正常值的 1.5 到 2.5 倍。當 aPTT 高達 120 秒時,表示病人的凝血功能受到嚴重抑制,具有極高的自發性出血風險(如內出血)。護理師應立即停止輸注以防病情惡化,隨後通知醫師評估是否需要給予拮抗劑(如魚精蛋白硫酸鹽 Protamine sulfate)。

An aPTT of 120 seconds indicates excessive anticoagulation and a high risk of hemorrhage, requiring immediate cessation of the heparin infusion to prevent further bleeding. The nurse should then notify the provider to determine if an antidote like protamine sulfate is needed.

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