Heat distribution unit. The Heat Distribution Unit (HDU), also known as a Heat Interface Unit (HIU), provides domestic hot water (DHW) and space heating to properties that are serviced from district heating or centralised boiler plants.
Called hypoglycemia, this deficiency of glucose in the blood is considered critical at, or below, 40 milligrams of glucose per deciliter of blood, or 40 mg/dL. However, this figure must be adjusted individually, as the exact level at which an a person develops symptoms varies.
Glucose is the bodyâs key fuel source. The body as well as the brain require adequate amount of glucose to work properly. When this blood glucose level or blood sugar level drops below the normal level, it is called low blood sugar, low blood glucose or Hypoclycemia.