Following last week’s Paucis Verbis card on calculating the osmolal gap, here is the first installment of the Toxic Alcohols cards. First up — ethylene glycol. There are useful American Academy of Clinical Toxicologists recommendations on when to administer an antidote (fomipezole) and when to perform hemodialysis.
Here’s a quick review of the metabolism of the different toxic alcohols. The parent compounds for ethylene glycol and methanol are innocuous and the metabolites are toxic.
PV Card: Ethylene Glycol Toxicity
Adapted from [1-3]
Go to ALiEM (PV) Cards for more resources.
See Dr. Leon Gussow’s great review on The Poison Review and tips of a recent Annals of EM4 paper on identifying a small subset of patients with ethylene glycol who did well despite NOT receiving hemodialysis.
References
- Kraut J, Kurtz I. Toxic alcohol ingestions: clinical features, diagnosis, and management. Clin J Am Soc Nephrol. 2008;3(1):208-225. [PubMed]
- Jammalamadaka D, Raissi S. Ethylene glycol, methanol and isopropyl alcohol intoxication. Am J Med Sci. 2010;339(3):276-281. [PubMed]
- Marraffa J, Cohen V, Howland M. Antidotes for toxicological emergencies: a practical review. Am J Health Syst Pharm. 2012;69(3):199-212. [PubMed]
- Levine M, Curry S, Ruha A, et al. Ethylene glycol elimination kinetics and outcomes in patients managed without hemodialysis. Ann Emerg Med. 2012;59(6):527-531. [PubMed]
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