Point of care glucose
CBC
Chemistry
LFTs
UA
CXR
Utox
ECG
Head CT
CAM score
Blood and urine cultures
Ammonia level
Tylenol/Aspirin level
LP
Serum Osm
Coags
Cortisol
ABG/VBG
CO level
Altered mental status
Hypoxic encephalopathy
Sedation 
Acute toxic-metabolic encephalopathy 
Extrapyramidal reaction
Hypoglycemia
Tremor
Hyperosmolar state 