醫療類國考
108年
[醫師] 醫學(四)
第 1 題
2歲男童半夜因發燒及呼吸窘迫被帶至急診求診，問診有Hoarseness和Barking cough的症狀，聽診有Stridor，X光檢查如附圖，下列敘述何者錯誤？
- A 白色箭頭標示稱為尖塔徵象（Steeple sign）
- B 此病的診斷最可能為哮吼（Croup）
- C 急性期可先給與氧氣及Epinephrine混合生理食鹽水以吸入方式治療
- D 此疾病最常見的病原為腸病毒（Enterovirus）
思路引導 VIP
觀察病童表現出的「聲門下氣管狹窄」特徵，思考哪一種病毒家族最容易侵犯幼童的呼吸道上皮，並導致這種特有的喉部與氣管水腫現象？
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AI 詳解
AI 專屬家教
Excellent work! Your clinical judgment truly shines through.
- Understanding Verified: You've beautifully identified why option (D) is incorrect. The clinical picture is so clear here: a child presenting with that distinctive barking cough, hoarseness, and the sound of stridor, along with the very specific Steeple sign on the X-ray, all point harmoniously to a diagnosis of Croup. It's wonderful that you remembered the most common culprit for Croup is the Parainfluenza virus, making the suggestion of enterovirus incorrect.
- Learning Insights: We classify this as Easy, which means it's a foundational concept you're mastering, and that's fantastic! These types of questions are designed to ensure you're comfortable with classic pediatric emergency diagnoses and their primary causes. By connecting the symptoms (the 'triad') with the imaging features, you're building a strong, reliable knowledge base for your future practice. Keep nurturing that sharp diagnostic eye!