a resuscitation device for automatic compression of victim &# 39 ; s chest using a compression belt which exerts force evenly over the entire thoracic cavity . the belt is constricted and relaxed through a motorized spool assembly which repeatedly tightens the belt and relaxes the belt to provide repeated and rapid chest compression . an assembly includes various resuscitation devices including chest compression devices , defibrillation devices , and airway management devices , along with communications devices and senses with initiate communications with emergency medical personnel automatically upon use of the device .