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Pathology

Relative insulin deficit and resistance to insulin action 

Aetiology

Genetics + environment (high density food intake, obesity, lack of exercise, chronic pancreatitis, Cushing’s). Peak incidence 50 years

Signs

High BMI, central obesity, acanthosis, foot ulcers, visual defects

Symptoms

May be asymptomatic initially, recurrent infections, polyuria, polydipsia, weight loss, HHS.

Investigations

Bloods: Plasma glucose, serum ketones, U&E, HbA1C
Venous Blood Gas: pH and bicarbonate

Treatment

Lifestyle measures: Diet, exercise, smoking cessation, patient education
Medical: Sulphonylurea, biguanides, glitazones, GLP-1 analogues, and DPP-4 
 inhibitors, using a stepwise approach.
Surveillance: Regular follow-up and HbA1c to monitor glycaemic control and 
complications

Prognosis

Can be life limiting due to 4-fold increase in cardiovascular disease, 10-20 year reduction in life expectancy
Cardiovascular disease, DM retinopathy, DM nephropathy, DM neuropathy, peripheral vascular disease

Key Facts

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Key References

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