Ebstein畸形
一种三尖瓣和右心室的先天性畸形,其特征是胚胎期分层障碍,继而导致三尖瓣隔瓣和后瓣向心尖部移位并粘连于右心室心肌。
定义
一种三尖瓣和右心室的先天性畸形,其特征是胚胎期分层障碍,继而导致三尖瓣隔瓣和后瓣向心尖部移位并粘连于右心室心肌。这使得右心室分为两个部分:壁薄的近端“房化”部分(解剖上属心室,但血流动力学上融入右心房)以及变小的远端“功能性”部分。常伴有巨大且呈帆样飘动的三尖瓣前叶、严重三尖瓣关闭不全、右心房极度扩张以及高发的房室旁路(Wolff-Parkinson-White综合征)[C5] [G4-03]。
严重程度标准
分层表现
血流动力学
心律
ECG
心音与杂音
模拟器严重程度分级
模拟器严重程度分级:
轻度, 中度, 重度
基线心律:
完全性右束支传导阻滞
亦称为: Ebstein畸形 · 埃布斯坦畸形 · 三尖瓣下移畸形
该组中的其他病变
文献来源
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