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生理適應 · MEDIUM · MCQ

護理師評估一位疑似糖尿病酮酸中毒 (DKA) 的病人。下列哪項發現最不可能?

A nurse is assessing a client with suspected diabetic ketoacidosis (DKA). Which finding is least likely?

  • ABlood glucose 600 mg/dL
    血糖 600 mg/dL
  • BSerum bicarbonate 10 mEq/L
    血清碳酸氫鹽 10 mEq/L
  • CBounding peripheral pulses✓ 正解
    洪脈(周邊脈搏強而有力)
  • DpH 7.10
    pH 7.10
Explanation · 中文詳解

DKA 時,脫水和代謝性酸中毒會導致周邊血管收縮,因此周邊脈搏通常是微弱的,而非強勁搏動。高血糖、低血鈉(或正常)、低血鉀、代謝性酸中毒(pH < 7.3,bicarbonate < 15 mEq/L)是 DKA 的典型特徵。

Diabetic ketoacidosis causes severe dehydration and peripheral vasoconstriction, leading to weak rather than bounding peripheral pulses. High blood glucose, low bicarbonate, and low pH are typical findings reflecting hyperglycemia and metabolic acidosis. Therefore, bounding pulses are the least likely assessment finding in this condition.

✦ 台美臨床差異

美國急診護理師會快速執行 DKA 評估,包括血糖、血氣分析;台灣則依循相似流程,但對罕見併發症的預期和處理可能因經驗而異。

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