[Arterial hypertension in children. I. The epidemiological and etiological aspects].

The authors present the etiology and the epidemiology of the hypertension in children. It is emphasized how important is to know the hypertension in children, which would allow to adopt measures in order to overt the hypertension's disasters in adults. It is defined the hypertension in children and there is presented the normal range od the arterial blood pressure as well as the methodology of measuring blood pressure in the arteries. There are presented the aspects concerning the incidence and the prevalence rates of hypertension in children, the factors that influence blood pressure and especially the risk markers. There are also brief presented the essential-hypertension and the etiology of the secondary hypertension.