• A patient presented with diabetic ketoacidosis and severe hypokalemia (<2.0 mmol/L [<2.0 mEq/L]). The availability of immediate plasma potassium levels using a blood gas analyzer (Radiometer) prevented the use of potentially hazardous therapy. Potassium levels should be determined immediately using this technology in all patients with ketoacidosis.
(Arch Intern Med 1987;147:1501-1502)
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