呕吐是指食物或痰诞通过食物逆流出口腔的一种反射性动作,有物无声谓之吐,有声有物谓之呕,有声无物谓之哕。临床上呕与吐难以分开合称为呕吐。按病因可分为中枢性呕吐和周围性呕吐;中枢性呕吐包括脑炎、脑膜炎、脑血管意外所致颅内压增高及前庭神经功能障碍如耳性眩晕。周... Vomiting refers to the food or phlegm through the food countercurrent out of the mouth of a reflex action, there is something that vomitless vomit, vocal things have vomit, no sound thing that the 哕. Clinical vomiting and vomiting difficult to separate known collectively as vomiting. According to the cause can be divided into central vomiting and peripheral vomiting; central vomiting, including encephalitis, meningitis, cerebrovascular accident caused by increased intracranial pressure and vestibular nerve dysfunction such as ear dizziness. week...