Hematemesisisadiseaseofvomitingwithblood.Itismanifestedasprofusebleedingwithpurple-coloredordark-red-coloredcoagulaincombinationwithdregsoffoodorhematochezia.InWesternmedicineitisfoundinhemorrhageofupperdigestivetract,gastroduodenalulceranddamagesofesopha...[继续阅读]