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CASE REPORT article

Front. Med.

Sec. Intensive Care Medicine and Anesthesiology

Volume 12 - 2025 | doi: 10.3389/fmed.2025.1600067

Sinus bradycardia and acute renal injury secondary to Viperidae snakebite: first case report

Provisionally accepted
Elías David Guamán-CharcoElías David Guamán-Charco1Anabel Paredes-PonceAnabel Paredes-Ponce2Hugo Orellana-ChimbayHugo Orellana-Chimbay2Nelson OmaresNelson Omares2Genesis Guamán-CharcoGenesis Guamán-Charco3Mario RubioMario Rubio4Jorge Vasconez-GonzalezJorge Vasconez-Gonzalez1Esteban Ortiz-PradoEsteban Ortiz-Prado1*
  • 1University of the Americas, Quito, Pichincha, Ecuador
  • 2Marco Vinicio Iza Hospital, Nueva Loja, Ecuador
  • 3University of Guayaquil, Guayaquil, Guayas, Ecuador
  • 4Hospital Baca Ortiz, Quito, Pichincha, Ecuador

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Background: Worldwide, millions of people suffer from snakebites every year. In Ecuador, as of epidemiological week 30 of 2024, approximately 271 cases have been reported.A 54-year-old male patient suffered a snakebite from the Viperidae family 24 hours ago, on his right upper limb. Classified as moderate envenomation, he was given antivenom and admitted to the hospital. During his stay, he began to show clinical and paraclinical alterations, including sinus bradycardia on the electrocardiogram and acute renal injury, requiring dialysis therapy sessions. In daily ECG controls on day 13, the heart rate normalized. However, after day 22, he was discharged but remained under triweekly dialysis therapy. Conclusion: Complications from snakebites are rare, both cardiovascular and renal, but can be potentially fatal without early detection and timely treatment.

Keywords: Snakebite 1, sinus bradycardia 2, acute kidney injury 3, Viperidae 4, Snakebite envenomation 5

Received: 25 Mar 2025; Accepted: 22 Jul 2025.

Copyright: © 2025 Guamán-Charco, Paredes-Ponce, Orellana-Chimbay, Omares, Guamán-Charco, Rubio, Vasconez-Gonzalez and Ortiz-Prado. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence: Esteban Ortiz-Prado, University of the Americas, Quito, 170137, Pichincha, Ecuador

Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.

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