消化道出血是出血性疾病的一个常见症状,轻者仅为消化道粘膜淤血,重者可引起大出血。一旦发生消化道出血,直接影响出血性疾病的预后。治疗除采取一般止血方法外,主要是治疗原发病。众所周知,遗传性出血性毛细血管扩张症、过敏性紫癜、原发性血小板减少性紫癜、血友病等均可引起程度不同的消化道出血。其共同特点是突发大量的消化道出血和呕吐者少见,多伴有全身其它部 Gastrointestinal bleeding is a common symptom of hemorrhagic disease, the only light mucus congestion of the digestive tract, severe cases can cause bleeding. In the event of gastrointestinal bleeding, a direct impact on the prognosis of bleeding disorders. In addition to taking general hemostasis treatment, the main treatment is the primary disease. As we all know, hereditary hemorrhagic telangiectasia, Henoch-Schonlein Purpura, idiopathic thrombocytopenic purpura, hemophilia, etc. can cause different degrees of gastrointestinal bleeding. Its common feature is the sudden emergence of a large number of gastrointestinal bleeding and vomiting are rare, mostly accompanied by other body parts