“…No patients had markedly elevated levels of BNP (range, 22–386 pg/mL). BNP values in our cohort were above the reference range for healthy children and were consistent with levels seen in critical illness ( 19 , 21 , 23 , 24 , 30 , 32 , 34 , 35 ). Commonly used cutoff values for BNP in children with cardiac dysfunction are variable; however, the elevation in BNP seen in our cohort was below than those commonly used to identify LV dysfunction ( 25 , 26 , 36 , 37 ).…”