Margaret Parker, MD, FCCM, associated podcast editor, speaks with Patrick M. Kochanek, MD, MCCM, about the revised guidelines for acute medical management of severe traumatic brain injury in infants, children, and adolescents, published as a supplement to the January 2012 Pediatric Critical Care Medicine. Kochanek is a professor and vice chair in the Department of Critical Care Medicine at the University of Pittsburgh School of Medicine in Pittsburgh, Pennsylvania, USA. He is also the editor-in-chief of Pediatric Critical Care Medicine.