From the show floor of the National Teaching Institute (NTI), the annual educational conference of the American Association of Critical Care Nurses, Firemedically Speaking show host Mike McEvoy interviews three experts to garner some "under the hood" information about 12-lead interpretation algorithms, the inner workings of pulse oximetry, and CPR performance feedback devices.  This prerecorded episode includes interviews with Blaine Krusor, Clinical Marketing Manager for Physio-Control; Dr. Gary Clawson, Senior Director for Global Professional Education for Masimo Corporation; and Steve Heightman; Manager of CPR Products for Physio-Control Corporation.