Fichadiya, Hardik and Noori, Muhammad Atif Masood and Khandait, Harshwardhan and Patel, Latika and Jesani, Shruti (2022) A Rare Case of Elevated Osmolar Gap in Diabetic Ketoacidosis/Hyperosmolar Hyperglycaemic State in the Absence of Concomitant Toxic Alcohol Ingestion. European Journal of Case Reports in Internal Medicine, 9 (3). pp. 1-3. ISSN 2284-2594
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Abstract
The serum osmolar gap, defined as the difference between measured osmolality and calculated osmolarity, is a convenient method to screen for toxins in serum. In normal circumstances, the difference between the two is 6–10 mol/kg. Typical contributors to serum osmolarity are sodium bicarbonate, sodium chloride, glucose and urea. An elevated gap, defined as a difference >10 mol/kg, can occur if a sufficient quantity of an additional solute other than those mentioned above is present in the serum or there are inaccuracies in sodium measurement secondary to hyperlipidaemia and hyperproteinaemia. An elevated serum osmolar gap should thus prompt clinicians to check for toxic alcohol levels. Treatment with fomepizole should not be delayed if suspicion is high. Isolated diabetic ketoacidosis can occasionally present with an elevated osmolar gap in the absence of concomitant alcohol ingestion. This finding is attributed to the production of acetone and glycerol. We describe the case of a 62-year-old man presenting with diabetic ketoacidosis/hyperosmolar hyperglycaemic state and an elevated osmolar gap in the absence of toxic alcohol ingestion.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Diabetic ketoacidosis, hyperglycaemic hyperosmolar state, osmolar gap, absence of toxic alcohol ingestion |
| Subjects: | 600 Tecnologia - Scienze applicate > 610 Medicina e salute (Classificare qui la tecnologia dei servizi medici) |
| Depositing User: | Marina Spanti |
| Date Deposited: | 14 Apr 2022 12:45 |
| Last Modified: | 14 Apr 2022 12:45 |
| URI: | http://eprints.bice.rm.cnr.it/id/eprint/21809 |
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