noun[mass noun] Medicine
The vomiting of blood.
- The patient represented ten months after the laryngectomy and neck dissection with a one day history of intermittent haemoptysis and haematemesis of fresh blood.
- In contrast, posterior bleeding may be asymptomatic or may present insidiously as nausea, hematemesis, anemia, hemoptysis, or melena.
- We describe two patients with alcoholic liver disease and haematemesis whose bleeding was not controlled by endoscopic treatment.
Early 19th century: from haemato- 'of blood' + Greek emesis 'vomiting'.
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