BP, hypertension

Percentiles of systolic and/or dyastolic BP

Follow-up measurements of BP and diagnostic approach

Normal BP

<90th percentile

During routine systematic and other pediatric examinations

High-normal BP

≥90th to <95th percentile

≥120/80, in adolescents, even if the value of BP is bellow 90th percentile

After 6 months

Stage 1 hypertension

Between 95th and 99th percentile plus 5 mmHg

After 1 to 2 weeks or before, if the patient is symptomatic; if the BP is persistently elevated, diagnostics has to be performed in 1 month

Stage 2 hypertension

>99th percentile plus 5 mmHg

Diagnostics and treatment in 1 week or immediately, if the patient is symptomatic