消化道出血量的估计是多少

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妙手医生

病情分析：消化道出血量的评估主要依据患者的状态及大便的性状和呕血量进行粗略的评定，一般来说隐血阳性而没有明显的黑便的时候出血量约为5ml，排成形的黑便量约为50ml，柏油样黑便约250-500ml，如果出现心慌出汗，头晕等症状的时候出血量一般在1000ml以上。

白玉焕

主治医师

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