Today is

Department of

Emergency Medicine

Photo of  Richard Ryan, MD

Richard Ryan, MD

Professor of Emergency Medicine and Vice Chairman

Clinical Interest

Emergency Medicine

Research Interests

Emergency Medicine


Emergency Medicine

  • Medical Degree: New York Medical College
  • Residency: University of Cincinnati/University Hospital
Board Certifications & Licenses
  • American Board of Emergency Medicine 01/01/2016
Contact Information
  • University of Cincinnati College of Medicine
  • Department of Emergency Medicine
  • 231 Albert Sabin Way, MSB 1503
  • Cincinnati, Ohio 45267-0769
  • Office 513-558-8104
  • Fax 513-558-4599
  • Email

Peer Reviewed Publications

Butler, Megan M; Ancona, Rachel M; Beauchamp, Gillian A; Yamin, Cyrus K; Winstanley, Erin L; Hart, Kimberly W; Ruffner, Andrew H; Ryan, Shawn W; Ryan, Richard J; Lindsell, Christopher J; Lyons, Michael S 2016. Emergency Department Prescription Opioids as an Initial Exposure Preceding Addiction. Annals of emergency medicine, 68 2, 202-8

Fertel, Baruch S; Hart, Kimberly W; Lindsell, Christopher J; Ryan, Richard J; Lyons, Michael S 2015. Patients who use multiple EDs: quantifying the degree of overlap between ED populations. The western journal of emergency medicine, 16 2, 229-33

Fertel, Baruch S; Hart, Kimberly W; Lindsell, Christopher J; Ryan, Richard J; Lyons, Michael S 2012. Toward understanding the difference between using patients or encounters in the accounting of emergency department utilization. Annals of emergency medicine, 60 6, 693-8

Ryan, Richard J; Lindsell, Christopher J; Hollander, Judd E; O'Neil, Brian; Jackson, Raymond; Schreiber, Donald; Christenson, Robert; Gibler, W Brian 2009. A multicenter randomized controlled trial comparing central laboratory and point-of-care cardiac marker testing strategies: the Disposition Impacted by Serial Point of Care Markers in Acute Coronary Syndromes (DISPO-ACS) trial. Annals of emergency medicine, 53 3, 321-8

Ryan, Richard J; Lindsell, Chris; Sheehan, Paul 2008. Fluoroquinolone resistance during 2000-2005: an observational study. BMC infectious diseases, 8 , 71

Han, Jin H; Lindsell, Christopher J; Ryan, Richard J; Gibler, W Brian 2005. Changes in cardiac troponin T measurements are associated with adverse cardiac events in patients with chronic kidney disease. The American journal of emergency medicine, 23 4, 468-73