脑溢血严重地威胁高龄人的生命,自五十岁后每增加十岁,脑溢血的发病率增多一倍。寒冬季节发病较多,特别是气候变化较频的冬末春初是脑溢血高发季节。由于气温下降,尤其是天气突变,可使人们的交感神经兴奋,血液中儿茶酚胺增多,导致全身血管收缩。同时,气温较低,人体排汗减少,血容量相对增多,这些原因都可致使血压升高。在这种情况下患高血压和动脉粥样硬化的病人再遇到某种诱因的作用可 Cerebral haemorrhage is a serious threat to the lives of the elderly. For every 10 years of age increased after the age of 50, the incidence of cerebral hemorrhage has doubled. More incidence in the winter, especially in the late winter and early spring climate change is the high season. Due to the temperature drop, especially the sudden changes in the weather, people can sympathetic excitement, blood catecholamines increased, leading to systemic vasoconstriction. At the same time, the temperature is lower, the human body to reduce perspiration, the relative increase in blood volume, these reasons can lead to high blood pressure. In this case, patients with high blood pressure and atherosclerosis may experience some incentive