Context and Definition

While hypoglycaemia occurs most commonly in patients with diabetes, it can occur in the absence of diabetes. Consequently, it must be considered in cases of unusual or bizarre behaviour, confusion, lethargy, and reduced conscious level. Patient with hypoglycaemia may also present with seizure or neurological symptoms and signs.

Hypoglycaemia can be fatal and even repeated mild episodes can lead to cumulative brain damage. Most episodes are managed in the community but it is the most frequent complication of diabetes seen in the ED[2].