Hypertens. 27, no. 9 (2009) 1719-1742.) . A hypertension on the 99th percentile means that only 1% of the children of the same age, gender and size have a higher blood pressure than child patient. Blood pressure values between the 90th and 95th percentile are called pre hypertension. Ratings by more than 30 mm Hg above the 95th percentile of the child patient suffers from a severe hypertension. The Perzentilengrenze in which we orientate ourselves relatively narrow “, the children specialist Priv.-Doz. explains. Dr. Robert della Pozza from the Ludwig-Maximilians-University of Munich, in conversation with the pharmaceutical newspaper. Sometimes a blood pressure increased by only 5 mm / Hg, means that a child than Hypertensives is classified”. “Some other physicians, other reviews: the German hypertension League has already resolved fixed limits for young people from the age of 12”, Priv.-Doz. confirmed. Dr. Wolfgang Rascher from the Universitatsklinikum Erlangen on request. “The limit to high pressure is 125/80 mm / Hg for 12 years, 135/85 mm / Hg at 140/90 mm Hg for over 18 year old and 16 year old”.