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Updated: Feb 3, 2026

Myocardial Infarction and Functional Outcome Assessment in Pigs
Published on: April 25, 2014
Obtundation and Myocardial Infarction in a Case of Systemic Loxoscelism
Karen D Schilli1, Ryan K Rader1, Katie S Payne1
1Karen Schilli, MS, Ryan Rader, BS, Katie Payne, and William Stoecker, MD, MS, MSMA member since 1984, are with Stoecker & Associates, Rolla, Missouri. Jonathan Green, PhD, is with the University of Missouri College of Agriculture, Food and Natural Resources, Columbia.
Abstract:
We report an atypical course of a likely brown recluse spider bite in a 79-year-old male. The Rader scale and Loxosceles reclusa venom detection by ELISA provide supporting evidence for a loxoscelism diagnosis. Obtundation and myocardial infarction occurred following a drop in hemoglobin to 6.5g/dL. The rapid loss of blood volume was considered a significant etiologic factor for both the obtundation and myocardial infarction. The neurological symptoms reversed rapidly after packed red blood cell transfusion.
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