Noun, Suru verb
1. vomiting of blood
Wikipedia definition
2. HematemesisHematemesis or haematemesis is the vomiting of blood. The source is generally the upper gastrointestinal tract. Patients can easily confuse it with hemoptysis (coughing up blood), although the latter is more common.
Read “Hematemesis” on English Wikipedia
Read “吐血” on Japanese Wikipedia
Read “Hematemesis” on DBpedia


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