“高血压”本身只是一个現象。許多生理和病理状态都可能使血压升高。而病理性的血压升高,一般地說,也应該看作是一种症状。临床上习慣于把高血压分为症状性的和原发性的二类。症状性高血压是指能够找出比較明显的原因的,也就是只把它看作是某一种疾病的一个症状,由于疾病的痊愈,高血压症状也随之消失。原发性高血压被认为是原因不明的持續性血压升高。临床所見的絕大多数病例都是属于原发性的(据Wakerlin估計,高血压患者中95％是属于原因不明的所謂原发性高血压)。通常引起脑出血、心(疒交)痛 Hypertension itself is just a symptom. Many physiological and pathological conditions may raise blood pressure. Pathological blood pressure, in general, should also be seen as a symptom. Clinically accustomed to the high blood pressure is divided into symptomatic and primary two categories. Symptomatic hypertension is able to identify the more obvious reason, that is, just treat it as a symptom of a disease, as the disease healed, the symptoms of hypertension will disappear. Essential hypertension is thought to be an unexplained persistent high blood pressure. The vast majority of clinically seen cases are primary (Wakerlin estimates that 95% of patients with hypertension are so-called essential hypertension of unknown cause). Usually cause cerebral hemorrhage, heart (疒 交) pain