Department of Medical Toxicology

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Faculty & Staff



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Ayrn O'Connor, MD, FACMT

Associate Professor of Emergency Medicine
Program Director, UACOMP Medical Toxicology Fellowship


Board Certifications Emergency Medicine
Medical Toxicology
Fellowship Indiana University
Residency Indiana University

Recent Publications

Peer-Reviewed Research Articles

  1. O'Connor AD, Padilla-Jones A, Ruha MR. Severe bark scorpion envenomation in adults. Clin Toxicol (Phila). 2017 Jul 28:1-5. doi: 10.1080/15563650.2017.1353095. [Epub ahead of print]
  2. Levine M, O'Connor AD, Padilla-Jones A and Gerkin RD. Comparison of prothrombin time and aspartate aminotransferase in predicting hepatotoxicity after acetaminophen overdose. J Med Toxicol. 2016;12:100-6. doi:10.1007/s13181-015-0504-x.
  3. Curry SC, Padilla-Jones A, O’Connor AD, et al (2014). Prolonged acetaminophen-protein adduct elimination during renal failure, lack of adduct removal by hemodiafiltration, and urinary adduct concentrations after acetaminophen overdose. J Med Toxicol. Doi: 10.1007/s13181-014-0431-2.
  4. O'Connor AD, Ruha MR (2012). Clinical Course of Bark Scorpion Envenomation Managed Without Antivenom. J Med Toxicol. 8(3): 258-62.

Case Reports

  1. Levine M, O’Connor AD, Tasset M (2013). Methemoglobinemia after a mediastinal stab wound. J Emerg Med. 45(5): 153-156.

Review Articles

  1. Levine M and O'Connor AD (2012). Obstetric toxicology: teratogens. Emerg Med Clin North Am. 30(4): 977-90.

Book Chapters

  1. O'Connor AO and Mills KC. Monoamine oxidase inhibitors. In: Brent J, Burkhart K, Dargan P, et al, eds. Critical Care Toxicology, 2nd ed. Cham, Springer International Publishing; 2017.
  2. Curry SC, Mills KC, O'Connor AD, Graeme K, Skolnik AS. Neurotransmitters and Neuromodulators. In: Nelson LS et al eds. GoldFrank's Toxicologic Emergencies. 10th ed. New York: McGraw-Hill; 2013.