Susan Dixner, C.R.N.A., left, receives a demonstration of the new "SimBaby" from Rebecca Arndt, R.N., nurse educator for Perioperative Services at the Monroe Carell Jr. Children's Hospital at Vanderbilt. The SimBaby, another of which is also in use at the Vanderbilt University School of Nursing, is a simulated, lifelike training mannequin that talks, breathes, moans and even dies.