Elissa Arnold, MD

Elissa Arnold, MD

Instructor in Medicine

Elissa Arnold, MD, is an Instructor in Medicine in the Division of Hospital Medicine. She completed her residency here at BJH where she received formal training in medical education through the Washington University Teaching Physicians Pathway and has been appointed as a Key Faculty Member for the Internal Medicine residency program for the 2023-2024 academic year. Her research interests include pulmonary infections in immunocompromised patients and pulmonary vascular diseases; she has ongoing projects in both of these areas. She also has QI interests in improving interprofessional relationships and workflow on inpatient medicine and participated in the Medicine Interprofessional Working Group. Clinically, she spends her time on the Hospitalist and Oncology services and enjoys having learners with her on these services. 


  • BS, Biological Sciences with Minor in Psychology, and Multicultural Certificate: University of Missouri, Columbia, MO (2016)
  • Medical Degree: Saint Louis University School of Medicine, St. Louis, MO (2020)
  • Residency, Internal Medicine: Barnes-Jewish Hospital, Washington University School of Medicine, St. Louis, MO (2023)

Clinical Interests

Inpatient medicine, pulmonary diseases, critical care medicine, end of life care, immunocompromised patient populations, point of care ultrasound, narrative medicine


Arnold EM, Schroeder G. WUSTL MICU – Online Learning Hub [Internet].  St. Louis (MO): Washington University in Saint Louis School of Medicine, Division of Pulmonary and Critical Care; 2021 [cited 2022 Aug 16]. Available from mastermicu.com


E. Arnold, A. Bewely, E. McDonnell, M. Vazquez Guillamet, M. H. Kollef, C. McEvoy, P. G. Lyons.   Bronchoalveolar Lavage Diagnostic Yield And Pathogen Profile In Hospitalized Patients With Cancer. Poster presented at: 2023 American Thoracic Society National Conference; 2023 May; Washington, D.C.

Arnold EM, Betthauser K, Samant M, Atuiri C, Kavali P, McDonald R, Sanfilippo K. Association Between Recent COVID-19 and Location of Pulmonary Embolism: a PERT Experience. Poster presented at: 2022 PERT Consortium Conference; Sep 2022; Virtual.

Schroeder G, Arnold EM, McGregor M. The educational effect of a supplemental online education as compared to a standard lecture-based curriculum alone on resident performance in the MICU. Poster presented at: American Thoracic Society National Conference 2022; 2022 May; San Francisco, CA.

Arnold EM, Samant M, Mehta S, Diffie C. B-Cell depletion associated prolonged COVID-19 and response to treatment with monoclonal antibodies: a case series. Poster Presented at: American Thoracic Society National Conference 2022; 2022 May; San Francisco, CA.

Arnold EM, Das D. Lamb in wolf’s clothing: severe vitamin B12 deficiency or TTP? Poster presented at: 2019 Society of General Internal Medicine Midwest Regional Conference; 2019 Sep; Minneapolis, MN.

Arnold EM, Das D, Barsam A, Jilwan A, Mohammed K, Khanna S, Albert S. Progressive visual impairment due to uveitis- a return of syphilis as the “Great Imitator.” Poster presented at: 2019 Society of General Internal Medicine National Conference; 2019 May; Washington D.C.

Arnold EM, Stunkel M, Khanna S, Council M. Cataract surgery and patient understanding: comparing preoperative telephone counseling, written handout, and standard verbal informed consent. Presented at 2018 American Society of Cataract and Refractive Surgery National Meeting; 2018 Apr; Washington D.C.