>12hrs since ROSC
Glasgow Motor score  >5
Minimal pre-morbid cognitive status
Unable to maintain SBP > 90 mmHg, with or without pressors, after CPR
Other reason for coma
Intracranial pathology (i.e. intracranial hemorrhage, ischemic stroke)
Subarachnoid hemorrhage
Sedation
Drug overdose
Status epilepticus
Sepsis as etiology for arrest
DNR/DNI status, terminal illness
Uncontrollable bleeding or known bleeding diathesis with active bleeding
Significant trauma (especially intra-abdominal)
Pregnancy<unk>  may be safe for postpartum cardiac arrest
Intracranial pathology (i.e. intracranial hemorrhage, ischemic stroke)
Subarachnoid hemorrhage
Sedation
Drug overdose
Status epilepticus
Therapeutic hypothermia
Ventriculoperitoneal shunt drainage
ICU sedation
Extracorporeal membrane oxygenation
Traumatic asphyxia
Ventriculoperitoneal shunt obstruction
Advanced airway adjuncts
Neonatal resuscitation