172: ASSESSING PASSIVE LEG RAISE TEST IN PEDIATRIC SHOCK USING ELECTRICAL CARDIOMETRY. (15th December 2022) - Angela, Kieu Tien; Chandran, Shreya; Shah, Nikhil; Fueta, Patrick; Odaniell, Estela; Burleson, Jessica; Cottingham, Sarah; Samraj, Ravi; Bhalala, Utpal