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[多选题]
幽门梗阻的呕吐具有下列哪些特点
A.幽门梗阻的呕吐量大
B.幽门梗阻呕吐常在餐后30~60min发生
C.幽门梗阻呕吐比高位小肠梗阻呕吐频繁而剧烈
D.呕吐宿食是幽门梗阻的特点
E.高位小肠梗阻呕吐比幽门梗阻呕吐频繁而剧烈
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ABDE
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.幽门梗阻的呕吐量大
B.幽门梗阻呕吐常在餐后30~60min发生
C.幽门梗阻呕吐比高位小肠梗阻呕吐频繁而剧烈
D.呕吐宿食是幽门梗阻的特点
E.高位小肠梗阻呕吐比幽门梗阻呕吐频繁而剧烈
ABDE
A.餐后较久或餐后呕吐,见于幽门梗阻
B.餐后1H以上呕吐称延迟性呕吐,提示胃张力下降或胃排空延迟
C.进食过程中或餐后即可呕吐,可能为精神性呕吐
D.进食过程中或餐后即可呕吐,可能为幽门管溃疡