<prompt> Sustained severe hypeension in children is most commonly suggestive of -Coarctation of aoaPheochromocytomaRenal parenchymatous diseaseDrug induced  <response>: Ans. is c i.e., Renal Parenchymatous disease Hypeension in children o Hypeension is defined as the aerial blood pressure above 951 percentile with reference to age and sex. o Between the 90 and 95th percentile it is called borderline high blood pressure. Causes of hypeension in children o Essential hypeension is relatively uncommon 10 in children in contrast to aged persons. o The four most common causes of hypeension in children are : - i Chronic glomerulonephritis most common -- 25 Chronic pyelonephritis -- 10 iii Renal aery stenosis -- 10 iv Essential hypeension -- 10 Remember o MC cause of hypeension in children -- chronic glomerulonephritis. o MC cause renovascular hypeension in children renal aery stenosis. 