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正常的止血功能和止血过程主要依赖小血管收缩和毛细血管壁结构的完整,血小板的数量和功能正常,凝血与抗凝过程维持动态平衡,若其中某一个环节发生障碍均可导致不同程度的出血倾向或皮肤、粘膜、内脏出血。根据上述因素可将出血性疾病分为三类:①血管壁异常出血性疾病;②血小板异常出血性疾病;③凝血障碍出血性疾病。在鉴别诊断中不仅要区别上述三类出血性疾病,也要分辨同一出血因
Normal hemostasis and hemostasis rely mainly on small blood vessels and capillary wall structure integrity, the number and function of normal platelets, coagulation and anticoagulation process to maintain a dynamic balance, if any one of the obstacles can lead to different levels of bleeding Tendency or skin, mucous membranes, visceral bleeding. According to the above factors hemorrhagic diseases can be divided into three categories: ① abnormal vascular wall bleeding; ② abnormal platelet hemorrhagic disease; ③ coagulation disorders hemorrhagic disease. In the differential diagnosis not only to distinguish the three types of bleeding disease, but also to identify the same bleeding