通常人们总是把“中风”的发生和高血压联系起来,这是因为在中风病人中,约有80%左右患高血压或有高血压病史。殊不知,在病人中也常常遇到一些血压不高,又没有高血压病史的老年人都突然发生“中风”原因如下:从病理学分析,“中风”可分为两类。一类主要是由于高血压病引起的脑血管破裂出血,这类称“出血性中风”,如脑出血,蛛网膜下腔出血等;另一类主要是脑动脉粥样硬化引起的中风,称 People often associate the occurrence of “stroke” with high blood pressure because about 80% of stroke patients have a history of high blood pressure or hypertension. As everyone knows, patients often encounter some blood pressure is not high, there is no history of hypertension in the elderly suddenly have “stroke” for the following reasons: From the pathological analysis, “stroke” can be divided into two categories. One is mainly due to hypertension caused by cerebrovascular rupture of bleeding, such as “hemorrhagic stroke”, such as cerebral hemorrhage, subarachnoid hemorrhage, etc .; the other is mainly cerebral atherosclerosis caused by stroke, said