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降低風險 · MEDIUM · MCQ

護理師指導病人服用抗凝血劑華法林(Warfarin)。下列哪項飲食衛教最重要?

A nurse is teaching a client about warfarin therapy. Which dietary instruction is most important?

  • AIncrease intake of foods high in vitamin K
    增加攝取富含維生素K的食物
  • BMaintain a consistent intake of vitamin K-rich foods✓ 正解
    保持攝取富含維生素K食物的穩定性
  • CEliminate alcohol from your diet entirely
    完全從飲食中消除酒精
  • DAvoid all green leafy vegetables
    避免所有綠色葉菜
Explanation · 中文詳解

Warfarin 的作用機轉為維生素 K 拮抗劑。攝取維生素 K 會影響藥效,導致 INR 波動。關鍵並非完全禁止,而是保持飲食中維生素 K 的攝取量穩定(Consistent),讓醫師能根據穩定的飲食狀況調整劑量。波動過大的攝取會導致藥物監測失效,增加血栓或出血風險。

Because warfarin acts as a vitamin K antagonist, maintaining a consistent daily intake of vitamin K-rich foods is crucial for keeping INR levels stable. Fluctuations in vitamin K consumption can alter the drug's effectiveness, increasing the risk of bleeding or clotting.

✦ 台美臨床差異

兩地對 Warfarin 衛教重點皆為維持維生素 K 攝取穩定,並強調定期監測 INR 值。

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