一位個案被診斷為高血鉀症,護理師預期需要執行哪些護理措施?(選所有適合的)
A client is diagnosed with hyperkalemia. Which interventions should the nurse anticipate as part of the management? (Select all that apply.)
- AAdministering IV regular insulin and dextrose✓ 正解靜脈注射常規胰島素與葡萄糖
- BAdministering oral Potassium Chloride口服氯化鉀
- CAdministering IV Calcium Gluconate✓ 正解靜脈注射葡萄糖酸鈣
- DAdministering sodium polystyrene sulfonate✓ 正解給予聚苯乙烯磺酸鈉
- EInitiating a continuous cardiac monitor✓ 正解啟動持續性心電圖監測
高血鉀症的管理重點在於保護心肌細胞及移除體內多餘的鉀離子。鈣離子(IV Calcium Gluconate)並不直接降鉀,但可穩定心肌膜電位,預防致死性心律不整(如心室顫動);胰島素加上葡萄糖是透過促進細胞攝取鉀離子,將鉀由細胞外轉移至細胞內,達到快速降鉀目的。聚苯乙烯磺酸鈉(Kayexalate)則透過腸道交換樹脂,經由糞便將鉀移除。持續性心電圖監測對於偵測高血鉀常見的心電圖改變(如高 T 波、QRS 複合波寬大)至關重要。鉀離子補充劑(選項 B)在高血鉀情況下絕對禁忌,會加重症狀。此類處置順序需考量藥物作用時間與病人的電解質數值。
Management of hyperkalemia involves stabilizing cardiac membranes with calcium gluconate, shifting potassium into cells using insulin and dextrose, and removing excess potassium via sodium polystyrene sulfonate. Continuous cardiac monitoring is also essential to detect life-threatening arrhythmias associated with elevated potassium levels.
美國護理師在緊急情況下常執行依據 ACLS 規範的藥物 Protocol;台灣護理師在給予這類高危險電解質藥物時,通常需要更嚴格的醫囑覆核,且對於 Kayexalate 的使用頻率與方式,臨床醫學指引亦較為保守。