護理師正為一位低血鉀病人靜脈輸注氯化鉀，下列哪項是首要的安全措施？
A nurse is administering a dose of intravenous potassium chloride to a client with hypokalemia. What is the priority safety measure?
- AAdminister the medication via an infusion pump✓ 正解通過輸注幫浦給藥
- BDilute the medication with 500 mL of normal saline將藥物稀釋於 500 mL 生理鹽水中
- CAssess the client's deep tendon reflexes評估個案之深部肌腱反射
- DMonitor the client's blood glucose level every hour每小時監測個案之血糖值
氯化鉀（Potassium chloride）屬於高警訊藥物（High-alert medication）。由於鉀離子直接影響心肌細胞的去極化，過快輸入會導致嚴重的心律不整甚至心搏停止。因此，輸液幫浦（Infusion pump）是強制使用的設備，以確保給藥速率精確，絕不可進行靜脈推注（IV push）。
Intravenous potassium chloride is a high-alert medication that must be administered via an infusion pump to ensure precise delivery rates and prevent life-threatening cardiac arrhythmias. Rapid infusion or IV push administration can cause severe complications, making controlled delivery essential. While dilution is important, the use of a pump is the primary safety measure to regulate the rate accurately.
美國臨床對於靜脈鉀離子的給藥濃度（如不可超過 10mEq/hr，除非有中央靜脈管路）與給藥速率有極嚴格的院內 Policy，護理師需確認是否符合單位安全標準。