Coma means unrousable unresponsiveness

Causes:

• Trauma to Brain
• Cerebrovascualr causes (anoxic brain injury)
• Cardiac causes
• Respiratory failure
• Liver failure
• Metabolic and endocrine causes (DKA,myxoedema, hyponatremia, hypercalcaemia)
• Drugs and Toxins
• Infection( meningitis, encephalits, cerebral malaria...)
• Miscellaneous

Priorities

• ABC
• Rule out hypoglycaemia, any opioid poisoning (Naloxone)
• FBC, LFT, U&E, clotting, Glucose and toxic screen, ABG, CXR, Blood culture in indicated, ECG

History (relatives/paramedics/GP...)

Examinaiton (signs of injury, ?meningism, any focal,)

Management according (further tests and imaging)

consider ITU/HDU if approriate