— 降低風險 · MEDIUM · MCQ —
護理師準備給予一位病人靜脈點滴鉀離子補充（IVPB）。哪項行動對確保安全至關重要？
A nurse is preparing to administer potassium chloride intravenous piggyback (IVPB) to a client. Which action is essential to ensure safety?
- AVerify the concentration and infusion rate✓ 正解確認濃度與輸注速率
- BDilute the medication with sterile water以無菌水稀釋藥物
- CObtain an EKG before starting開始前取得心電圖
- DAssess the client's skin turgor評估病人皮膚張力
— Explanation · 中文詳解 —
靜脈注射氯化鉀屬於高警訊藥物（High-Alert Medication），過快或過濃會導致心律不整甚至心搏停止。核對濃度與輸注速率（通常不可超過 10 mEq/hr），並確保經由幫浦給予，是預防醫療意外的核心措施。
Intravenous potassium chloride is a high-alert medication where rapid infusion or high concentration can cause fatal dysrhythmias. Verifying the concentration and infusion rate, typically not exceeding 10 mEq/hr via pump, is essential to prevent medical errors.
✦ 台美臨床差異
美台對高警訊藥物皆有嚴格雙人核對（Double-check）機制。