Dr. Josephson returns to the podcast, and she is back in style! Blood bankers may struggle with the details of red blood cell transfusion to neonates, as there are important differences between this group and the adults and older children we are more accustomed to transfusing. Cassandra is your guide, and she answers "Five Essential Questions about Neonatal RBC Transfusion." When should we give RBCs to babies? What about "old" RBCs; Does age of blood matter? Is preservative important? Should the RBCs be modified? How do I test for compatibility? This is a fun and fast-moving episode. Visit the show page at BBGuy.org/034