<unk>  <unk>  is resumption of sustained perfusing cardiac activity associated with significant respiratory effort after cardiac arrest. Signs of<unk>  include breathing, coughing, or movement and a palpable pulse or a measurable blood pressure. Cardiopulmonary resuscitation and defibrillation increase the chances of<unk> . Lazarus phenomenon or autoresuscitation after failed cardiopulmonary resuscitation is the<unk> <unk>  of<unk>  after resuscitation attempts have stopped in someone with cardiac arrest. Thus passive monitoring is recommended for 10 minutes after resuscitation attempts have stopped.
Return of spontaneous circulation
Collapsing pulse
Capillary refill
Palpation of the precordium
Pulsus paradoxus
Epsilon wave
Sinoatrial arrest
Cerebral T waves