827: SAFETY AND EFFICACY OF A FIXED-DOSE FOUR-FACTOR PROTHROMBIN COMPLEX CONCENTRATE (4F-PCC) PROTOCOL. (15th December 2022) - Villegas, Skylar; Gutwald, Taylor; Wilkinson, Kent; Finoli, Lauren; Jenniches, Daniel; Merkel, Alison; reardon, Caitlin; Young, Sarah