患者,男性,35岁,主因“黑粪3天”入院,入院诊断为“上消化道出血,十二指肠溃疡”,予抑酸、止血治疗。下列情况提示该患者有再出血可能的是( )。
A.黑粪次数增多
B.黑粪变为暗红色
C.肠鸣音减弱或消失
D.血红蛋白持续降低
E.血尿素氮降低
正确答案是ABD
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