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藥理與非經腸給藥 · EASY · MCQ

護理師準備給予病人華法林(Warfarin)。給藥前應確認下列哪項檢驗數據?

A nurse is preparing to administer warfarin to a client. Which laboratory value should the nurse review before administering the dose?

  • AHemoglobin
    血紅素
  • BaPTT
    活化部分凝血活酶時間 (aPTT)
  • CPT/INR✓ 正解
    凝血酶原時間/國際標準比值 (PT/INR)
  • DPlatelet count
    血小板計數
Explanation · 中文詳解

華法林作用於維生素 K 依賴性凝血因子,臨床監測指標為凝血酶原時間(PT)及其衍生的國際標準化比值(INR)。治療目標通常設定在 2.0-3.0 之間(視適應症而定)。aPTT 則是監測肝素(Heparin)的指標,兩者不可混淆,否則會導致給藥錯誤。

Warfarin acts on vitamin K–dependent clotting factors, and its clinical monitoring parameter is the prothrombin time (PT) and the derived International Normalized Ratio (INR). The therapeutic target is typically 2.0–3.0, depending on the indication. The aPTT is used to monitor heparin, and the two must not be confused, as this can result in medication errors.

✦ 台美臨床差異

無明顯差異,INR 皆為抗凝血藥物治療的標準臨床決策指標。

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