<unk>  often presents as an episode of vomiting up blood (hematemesis) after violent retching or vomiting, but may also be noticed as old blood in the stool (melena), and a history of retching may be absent. In most cases, the bleeding stops spontaneously after 24–48 hours, but endoscopic or surgical treatment is sometimes required. The condition is rarely fatal.
Mallory–Weiss syndrome
Plummer–Vinson syndrome
Bloom syndrome
Gastric varices
Esophageal varices
Barrett's esophagus
Ogilvie syndrome
Secretan's syndrome