高血压是中风的主要危险因素之一,把血压控制在适当水平可有效降低中风的发病率,但很少有人知道血压降至正常也会导致中风。我们经常碰到有中风危险因素或已发生中风的病人因为严格的降压治疗,轻者出现站立行走时头晕心慌、乏力、出汗症状,重者导致脑梗塞。其原因在于,血液是靠压力和流速来保证脑组织供血的。人直立 Hypertension is one of the major risk factors for stroke. Controlling blood pressure at an appropriate level can effectively reduce the incidence of stroke, but few people know that blood pressure drops to normal can lead to stroke. We often encounter stroke risk factors or stroke patients because of the strict antihypertensive treatment, the light appeared to stand up walking dizzy, fatigue, sweating symptoms, severe cases lead to cerebral infarction. The reason is that blood pressure and flow rate to ensure that the blood supply to brain tissue. People stand upright