Cristina Briones Robertson (2nd from left) demonstrates cardiac resuscitation during an Advanced Cardiac Life Support symposium at the Fuerza Aerea de Chile Hospital in Santiago, Chile, on November 6th, 2000. Observing (R) are Chilean Air Force First Lieutenant Amelia Bastidas of ERSAM, the air evac unit of Fuerza Aerea de Chile, US Air Force Captain Joanne Peros of the 146th Aeromedical Evacuation Squadron, California Air National Guard, Channel Islands, CA, and Ana Maria Retamal Fernandez