高原性头痛为西藏地区常见的特发病之一,为发作性的颅内和颅外血管功能障碍,以反复发生的头部胀痛为特征,多有初入高原3000米以上或多外出后返藏的病史。由于急速进入高原,大脑对低氧分压的耐受性较差,继而二氧化碳分压增高,脑血管过度扩张、脑血流量增多,引起脑压升高,故大多数有头痛、头昏、心悸等症状。由于外地来藏旅游人士不断增加,加上在 High altitude headache is one of the common endemic diseases in Tibet. It is characterized by episodic intracranial and extracranial vascular dysfunction. It is characterized by recurrent head pain, with more than 3000 meters entering the plateau or returning to the plateau Hidden history. Due to rapid access to the plateau, the brain is less tolerant of hypoxic partial pressure, followed by increased partial pressure of carbon dioxide, cerebral blood vessels over-expansion, increased cerebral blood flow, causing elevated intracranial pressure, so most have headache, dizziness, palpitations, etc. symptom. As tourists from Tibet to Tibet continue to increase, plus in