問題詳情

3.36歲有抽菸男性,因胸痛來到急診,胸痛已有八個小時,會傳向雙側上臂,且胸痛會因吸氣而加重,躺下時更嚴重,在坐起時上半身略向前傾會好一些。身體診察血壓140/72毫米汞柱,心跳每分鐘96次,沒用氧氣時血氧飽和度百分之九十八。肺部聽診沒有異常,只在左下胸骨邊緣聽到具三個成份的摩擦聲(threecomponent friction rub)。此時進行心電圖檢查最可能看到:
(A)胸前導程反向T波(inverted T wave)
(B)PR節段在第二、第三和aVF導程上升
(C)胸前導程(V1 – V6),ST段凸形彎曲(convex curvature)上升
(D)胸前導程(V2 – V6)與第一導程,aVL導程,ST段凹形彎曲(concave curvature)上升

參考答案

答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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