n. haematemesis
misc. spitting blood
1955年，一场差点致命的呕血让他住进医院。
In 1955, he was hospitalized for a bleeding ulcer which was nearly fatal.
重症病人会出现咯血、呕血、便血、尿血等出血现象。
Critically ill patients will be hemoptysis, hematemesis, hematochezia, urinating blood, such as bleeding.
术后密切观察患者生命体征，进食情况，腹痛腹胀，恶心呕吐，是否有呕血及黑便。
After operation, we closely observe the vital signs, eating situation, abdominal pain and abdominal distention, nausea and vomiting, whether hematemesis and melena of patients.
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