— 降低風險 · MEDIUM · MCQ —
護理師準備為病人給予 Digoxin(毛地黃)。下列哪項評估為優先?
A nurse is preparing to administer digoxin to a client. What assessment is priority?
- ATemperature體溫
- BBlood pressure血壓
- CRespiratory rate呼吸頻率
- DApical heart rate✓ 正解心尖脈搏
— Explanation · 中文詳解 —
Digoxin 是一種強心苷類藥物,具有正性肌力與負性頻率作用。其安全給藥的核心在於嚴格的心率監測。給藥前評估心尖脈是為了預防藥物累積導致嚴重的竇性心動過緩(Bradycardia)或心律不整。若心率低於特定標準(成人通常為 60 bpm),護理師必須扣藥(Hold medication)並聯繫醫師。這是給藥安全(Medication safety)中的 priority 評估。
Digoxin is a cardiac glycoside with positive inotropic and negative chronotropic effects. Before administration the nurse must count the apical pulse for a full minute. Hold the dose for an adult apical rate <60 bpm (or <90-110 in infants/children per parameters) and notify the prescriber, because digoxin may cause severe bradycardia and arrhythmias. BP, respiratory rate, and temperature are not the primary safety parameters for digoxin.