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Diagnosis

Diagnosis of
hypoglycaemia

Hypoglycaemia can be diagnosed clinically and/or biochemically (based on blood glucose levels). Common symptoms of hypoglycaemia include:1,2,3

The IHSG defines blood glucose < 3.0 mmol/L (54 mg/dL) as “serious biochemical hypoglycaemia” and
3.5 to 3.9 mmol/L (63 to 70 mmol/L), in the absence of symptoms, as an “alert range”

[see Definition section]. People with blood glucose > 3.9 mmol/L occasionally report hypoglycaemia symptoms, a presentation that has been described as “pseudohypoglycaemia.”1

References

  1. Edelman SV, Blose JS. the impact of nocturnal hypoglycemia on clinical and cost-related issues in patients with type 1 and type 2 diabetes. Diabetes Educ 2014;40:269.
  2. Graveling AJ, Frier BM. Impaired awareness of hypoglycaemia: a review. Diabetes & Metabolism2010;36: S64.
  3. McAulay V et al. Symptoms of hypoglycemia in people with diabetes. Diabet Med 2001;18:690.

John Borthwick

Position

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