Send us Fan Mail In this prospective study, Adrianne and Nim dig into an area with almost no normative pediatric data: right ventricular diastolic function. Comparing 57 infants with RV pressure overload after intervention for pulmonic stenosis or tetralogy of Fallot to 134 healthy controls, the authors found a consistent pattern, reduced beat-to-beat variability, a higher atrial contribution to filling, and an E/A ratio inversion that was nearly universal in the CHD group versus about half o...