Diabetic ketoacidosis (DKA) and hyperosmolar hyperglycemic state (HHS) are life threatening complications of untreated or inadequately treated diabetes mellitus.  HHS is characterized by hyperglycemia, hyperosmolarity and dehydration; whereas DKA is characterized by hyperglycemia, acidosis, and ketosis.
Hyperglycemic crises
Ketotic hypoglycemia
Heat syncope
Hyperosmolar hyperglycemic state
Hypothermia
Normotension
Malignant hyperthermia
Diabetic ketoacidosis