FIGURE 96.2 Neonatal blood pressure norms based on gestational age A: Systolic blood pressure norms B: Diastolic blood pressure norms (Reprinted with permission by Springer, from Zubrow AB, Hulman S, Kushner H, et al Determinants of blood pressure in infants admitted to neonatal intensive care units: a prospective multicenter study J Perinatol 1995;15(6):470–479; permission conveyed through Copyright Clearance Center, Inc.) Hypertension is confirmed after serial accurate measurements reveal consistent elevations above 95% for age and weight The most common causes of neonatal hypertension include umbilical artery catheterization, renovascular disease,