What serum biomarkers are most helpful in cardiac arrest prognostication?

Neuron specific enolase. this is checked at 24, 48 and 72 hours. It is however NOT to be used in isolation for prognostication, which is multimodal including clinical exam after clearance of sedation (typically at 5 days post arrest), EEG (e.g. looking for reactivity of background), NSE, and MRI dif...