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Table 83.2

Urgent Investigation in Suspected Diabetic Ketoacidosis

Capillary blood glucose

Venous plasma glucose

Capillary blood or urinary ketones

Venous plasma bicarbonate

Sodium, potassium, urea and creatinine

Plasma osmolality, measured directly or calculated from the formula: plasma osmolality = [2 (plasma Na) + glucose + urea]

Venous blood gases

Full blood count

C-reactive protein

Two blood cultures

Urine dipstick, microscopy and culture

Chest X-ray

ECG