Pseudo-Normal Osmolal and Anion Gaps following Simultaneous Ethanol and Methanol Ingestion

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Abstract

Methanol, ethylene glycol, and isopropyl alcohol are associated with acute intoxication. The diagnosis is dependent upon high anion-gap metabolic acidosis, and an osmolal gap between the calculated and the measured osmolality. Normal anion gap has been reported in some cases of concomitant methanol and ethanol ingestion, where the high serum levels of ethanol inhibited the metabolism of methanol by alcohol dehydrogenase. The osmolal gap in these cases was higher than expected for methanol, and served as a constant marker for a metabolic derangement. Herewith, we present a patient who presented with normal osmolal and anion gaps 36 h after ethanol and methanol ingestion, yet progressively developing ocular toxicity. Normal anion and osmolal gaps should not rule out earlier methanol poisoning.

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Journal

Journal ID (publisher-id): AJN

Journal ID (nlm-ta): Am J Nephrol

Journal ID (doi): 10.1159/issn.0250-8095

Title: American Journal of Nephrology

Publisher: S. Karger AG

ISSN (Print): 0250-8095

ISSN (Electronic): 1421-9670

Publication date Subscription-year: 1998

Publication date (Print): October 1998

Publication date (Electronic): 10 September 1998

Volume: 18

Issue: 5

Pages: 436-438

Affiliations

^a Division of Medicine, ^b Department of Nephrology and Hypertension Services, and ^c Department of Ophthalmology, Hadassah Hebrew University Medical Center, Jerusalem, Israel

Article

Publisher ID: 13366 Other ID: Am J Nephrol 1998;18:436–438

DOI: 10.1159/000013366

PubMed ID: 9730571

SO-VID: e0bf32b6-7c1f-41a6-bcf4-4a560f0c37f2

License:

Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

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