Patent ID: 8433407

Claim:
A defibrillator, comprising: a connection port configured to couple the defibrillator to a plurality of electrodes configured to deliver a defibrillation shock and sense one or more physical parameters; an energy storage device coupled to the plurality of electrodes and configured to store a charge; and a controller coupled to the plurality of electrodes and the energy storage device, the controller configured to provide a first set of CPR chest compression instructions corresponding to a first CPR protocol in terms of the numbers of CPR chest compressions, monitor the chest compressions as they are administered, determine the pattern of chest compressions being administered and provide a second set of CPR chest compression instructions corresponding to a second CPR protocol different from the first CPR protocol based on the determined pattern, wherein the first set of CPR chest compression instructions include an initial number of chest compressions prior to an initial defibrillator pulse.