<unk>  is a medical emergency in which a person with diabetes mellitus is<unk> tose (unconscious) because of one of the acute complications of diabetes. Severe<unk>  hypoglycemia,<unk>  ketoacidosis or Hyperosmolar nonketotic<unk>  in which extreme hyperglycemia and dehydration alone are sufficient to cause unconsciousness, are the complications of diabetes.
In most medical contexts, the term<unk>  refers to the diagnostic dilemma posed when a physician is confronted with an unconscious patient about whom nothing is known except that he has diabetes. An example might be a physician working in an emergency department who receives an unconscious patient wearing a medical identification tag saying<unk> . Paramedics may be called to rescue an unconscious person by friends who identify him as<unk> . Brief descriptions of the three major conditions are followed by a discussion of the diagnostic process used to distinguish among them, as well as  a few other conditions which must be considered.
Diabetic coma
Myxedema coma
Metabolic encephalopathy
Spinal shock
Oculogyric crisis
Anoxic brain injury
Hypertensive crisis
Neurogenic shock