Mar 24, 2008. Hyperglycemic hyperosmolar nonketotic syndrome (HHNS) is an emergency that the diabetes mellitus (DM) patient may experience. The condition is also commonly referred to as hyperglycemic hyperosmolar nonketotic coma (HHNC).

What does Hyperosmolarity mean?

This is called hyperosmolarity. It is a condition in which the blood has a high concentration of salt (sodium), glucose, and other substances. This draws the water out of the body’s other organs, including the brain. Risk factors include: A stressful event such as infection, heart attack, stroke, or recent surgery.

What are the symptoms of hyperosmolar?

• Blood sugar level of 600 milligrams per deciliter (mg/dL) or 33.3 millimoles per liter (mmol/L) or higher.
• Excessive thirst.
• Dry mouth.
• Increased urination.
• Warm, dry skin.
• Fever.
• Drowsiness, confusion.
• Hallucinations.