Tracheal intubation prevented with administration of Fab antivenom after severe crotaline envenomation

The Journal of Emergency Medicine
Vikhyat BebartaMichael Peck

Abstract

Crotaline snake envenomations are common, but severe crotaline envenomations are infrequent. Death from severe envenomation is usually from upper airway edema and respiratory failure. Published reports of severe respiratory compromise and anaphylactoid reactions are rare. Currently, FabAV (Crotalidae polyvalent immune Fab [Ovine] [CroFab]) is the mainstay of crotaline envenomation treatment; however, FabAV has been approved for only mild and moderate envenomations. We describe a case of a male with severe systemic effects and airway compromise after crotaline envenomation. The patient's systemic effects and upper airway edema substantially improved after antivenom infusion and before epinephrine administration. Endotracheal intubation was averted, clinical deterioration was avoided, and improvement occurred after prompt FabAV use. Fab antivenom likely prevented endotracheal intubation in our case of severe crotaline envenomation.

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Citations

Dec 3, 2016·Pediatric Emergency Care·Logan RencherAlexandra Wilson
Jun 1, 2018·Pediatric Emergency Care·Logan RencherAlexandra Wilson

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