RT Book, Section A1 MacNeill, Emily C. A2 Schafermeyer, Robert A2 Tenenbein, Milton A2 Macias, Charles G. A2 Sharieff, Ghazala Q. A2 Yamamoto, Loren G. SR Print(0) ID 1105682571 T1 Pediatric Hypertension T2 Strange and Schafermeyer's Pediatric Emergency Medicine, 4e YR 2014 FD 2014 PB McGraw-Hill Education PP New York, NY SN 978-0-07-182926-7 LK accesspediatrics.mhmedical.com/content.aspx?aid=1105682571 RD 2024/10/07 AB Hypertension is defined as blood pressures ≥90th percentile for age- and height-matched normal values. Stage 2 hypertension (≥99th percentile) requires urgent evaluation and treatment.The differential diagnosis of hypertension changes with the age of the patient; the clinician should focus on the cause of hypertension and evaluate the patient for signs of end-organ damage.Initiation of oral antihypertensive agents should be done in conjunction with the physician who will be following up with the patients.Patients with a hypertensive emergency should be aggressively treated and admitted to a pediatric nephrologist or other hypertension specialist.