| hyperosmolar nonketotic coma | A complication seen in diabetes mellitus in which very marked hyperglycaemia occurs (such as levels over 800 mg/dL) causing osmotic shifts in water in brain cells and resulting in coma. It can be fatal or lead to permanent neurologic damage. Ketoacidosis does not occur in these cases. Synonym: nonketotic hyperglycaemia. (05 Mar 2000) |
|---|---|
| hyperosmolarity | An increase in the osmotic concentration of a solution expressed as osmoles of solute per liter of solution. (05 Mar 2000) |
| hyperglycaemic hyperosmolar nonketotic coma | A syndrome consisting of extreme hyperglycaemia, serum hyperosmolarity and dehydration in the absence of ketosis and acidosis. (12 Dec 1998) |
|---|