# 階段 2 — 分析線索。針對每項發現，辨識其最直接支持的結論。

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=568865&lang=zh-tw  
> language: zh-TW  
> subject: Reduction of Risk Potential  
> category: ROR

## 題目

階段 2 — 分析線索。針對每項發現，辨識其最直接支持的結論。

|  | 泌尿道感染 | 全身性低灌注 | 急性腎功能障礙 | 需要控制的阻塞性來源 |
| --- | --- | --- | --- | --- |
| 亞硝酸鹽、細菌及膿尿 |  |  |  |  |
| 平均動脈壓 59 伴乳酸 4.6 mmol/L |  |  |  |  |
| Creatinine 2.0 mg/dL 伴少尿 |  |  |  |  |
| 8 mm 輸尿管結石近端腎水腫 |  |  |  |  |

## 解析

亞硝酸鹽與膿尿支持泌尿道感染，乳酸升高伴低血壓支持組織低灌注，creatinine 上升伴少尿表示急性腎功能障礙，而輸尿管結石上方腎水腫則指出需要緊急處理的阻塞性來源。

## 深入解析

快速解答
將尿液與感染連結、乳酸與平均動脈壓連結至灌注、creatinine 與尿量連結至腎損傷、腎水腫連結至阻塞。

為何正確
每組數據回答不同的臨床問題，並共同解釋為何僅用抗生素而無引流可能不足。

簡單比喻或心智圖像
辨識細菌訊號、循環訊號、受損器官及阻塞的出口。

記憶口訣
感染加低血流加器官損傷加阻塞等於緊急感染源控制。

NCLEX 決策規則
依功能分析群聚發現，而非將單一檢驗值視為整個診斷。

為何其他選項錯誤
尿液分析無法測量灌注，乳酸無法定位阻塞，而腎水腫無法獨立量化腎功能。

參考資料
1Surviving Sepsis Campaign International Guidelines for Adults 2026辨識、培養、乳酸、立即使用抗微生物製劑、晶體液重新評估、平均動脈壓目標、norepinephrine 及感染源控制

## 臨床情境

案例更新
檢視實驗室及影像數據，以連結疑似感染與灌注衰竭及需要介入的來源。

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