高血压是一种严重影响人类健康和生活质量的常见病、多发病,又是引起冠心病、脑卒中、肾功能衰竭的最危险因素。高血压的危害主要是造成脑、心、肾等重要器官的损害。常见的临床表现高血压患者中约5%左右无自觉症状,也不知道血压何时升高,更不知道什么时候已产生了血管和器官损害的并发症。有些患者甚至在发生了心血管意外之后才知道自己息有高血压。大多数的高血压患者在血压升高早期仅有轻微的自觉症状,如头痛、头晕、失眠、耳鸣、烦躁、工作和学 Hypertension is a common and serious disease that seriously affects human health and quality of life. It is also the most dangerous factor that causes coronary heart disease, stroke and renal failure. Hypertension is mainly caused by damage to important organs such as brain, heart and kidney. Common clinical manifestations of hypertension in about 5% of patients without symptoms, do not know when the blood pressure increased, but do not know when the complications of blood vessels and organ damage have been produced. Some patients even know they have high blood pressure even after a cardiovascular accident. Most hypertensive patients have only mild symptoms of early hypertension, such as headache, dizziness, insomnia, tinnitus, irritability, work and study