Evaluation of the patient depends on the clinical setting the patient is in, as above, triage in settings of mass casualty changes the evaluation of death.
The two main categories for<unk>  are cardiorespiratory and neurological.
Cardiorespiratory: No spontaneous respiratory effort accompanied with 5 minutes of asystole- causing inadequate cerebral perfusion for long enough to cause neurologic compromise.
Neurological: Two separate doctors must successfully declare the patient brain dead, preferably physicians skilled in neurological management, i.e. a neurologist or neurosurgeon.
Diagnosis of death
Asystole
Sign out tools
Brain death
Critical care documentation
PEA
Reexamination sample documentation
Drug overdose