Wirachin Hoonpongsimanont

picture of Wirachin  Hoonpongsimanont

Assistant Professor of Clinical EM, Emergency Medicine
School of Medicine

Director, EM Clerkship, Emergency Medicine
School of Medicine

Director, EM Research Associate Program (EMRAP), Emergency Medicine
School of Medicine

M.D., Siriraj Hospital, Mahidol University, Bangkok, Thailand, 2005, Medicine
M.S., UC Irvine, 2013, Biomedical and Translational Science

Phone: (714) 456-5239
Email: whoonpon@uci.edu

University of California, Irvine
101 The City Drive South
Mail Code: 4064
Orange, CA 92868
Research Interests
Medical education, Alcohol screening, Behavioral emergency, Injury prevention
1. Lotfipour S, Howard J, Roumani S, Hoonpongsimanont W, Anderson CL, Chakravarthy B, Weiss J, Cisneros V, Dykzeul B. Increased Detection of Alcohol Consumption and At-risk Drinking with Computerized Alcohol Screening. J Emerg Med. 2012 ;44(4):861-6.
2. Lotfipour S, Cisneros V, Anderson CL, Roumani S, Hoonpongsimanont W, WeissJ, Chakravarthy B, Dykzeul B, Vaca F. Assessment of Alcohol Use Patterns among Spanish-Speaking Patients. Substance Abuse. 2012:34(2):155-61.
3. Anderson CL, Dominguez KM, Hoang TV, Rowther AA, Carroll MC, Lotfipour S, Hoonpongsimanont W, Chakravarthy B. An Analysis of Distance from Collision Site to Pedestrian Residence in Pedestrian versus Automobile Collisions Presenting to a Level 1 Trauma Center. Ann Adv Automot Med. 2012;56:31-6.
4. Lotfipour S, Cisneros V, Chakravarthy B, Barrios C, Anderson CL, Fox J, Roumani S, Hoonponsimanont W, Vaca F. “Assessment of Readiness to Change and Relationship to AUDIT Score in a Trauma Population Utilizing Computerized Alcohol Screening and Brief Intervention” Substance Abuse. 2012 ;33(4):378-86
5. Lotfipour S, Sayegh R, Chakravarthy B, Hoonpongsimanont W, Anderson CL, Fox JC, Vaca FE. “Fatality and Injury Severity of Older Adult Motor Vehicle Collisions in Orange County, California, 1998-2007” West J Emerg Med. 2011. Epub.
6. Anderson KL, Patel CV, Vaca F, Anderson CL, Mendoza R, Barton RL, Lekawa ME, Hoonpongsimanont W, Lotfipour S. “Traffic law knowledge disparity between hispanics and non-hispanic whites in California” J Emerg Med. 2009:40(6):487-495. PMID: 19748200
7. Parker H, Hoonpongsimanont W, Vaca F, Lotfipour S. “Spontaneous Bladder Rupture in Association with Alcoholic Binge: A Case Report and Review of the Literature” J Emerg Med. 2009:37(4):386-389. PMID: 17976802
8. Lotfipour S, Luu R, Hayden SR, Vaca F, Hoonpongsimanont W, Langdorf M. “Becoming an Emergency Medicine Resident: A Practical Guide for Medical Students” J Emerg Med. 2008;35(3):339-344. PMID: 18547776
9. Gharahbaghian L, Lotfipour S, McCoy CE, Hoonpongsimanont W, Langdorf M. “Central diabetes insipidus misdiagnosed as acute gastroenteritis in a pediatric patient” CJEM. 2008;10(5):488-492. PMID: 18826743
10. Chu I, Vaca F, Stratton S, Chakravarthy B, Hoonpongsimanont W, Lotfipour S. “Geriatric Trauma Care: Challenges Facing Emergency Medical Services” West J Emerg Med. 2007;8(2):51-55. PMID: 20440401
11. Mansuri O, Hoonpongsimanont W, Vaca F, Lotfipour S. “The Crisis in Emergency and Trauma Care in California and the United States” Cal J Emerg Med. 2006;7(4):81-86. PMID: 20505812
12. Haider A, Hoonpongsimanont W. Uncommon Etiology of Chest pain: Pulmonary Sequestration. West J Emerg Med. Nov 2013;14(6):638-639. doi: 10.5811/westjem.2013.7.17533
13. Hoonpongsimanont W. Murphy M, Kim CH, Nasir D, Compton S. Emergency Medicine Resident Well-Being: Stress And Satisfaction. Occup Med. 2014. Jan;64(1):45-48. doi: 10.1093/occmed/kqt139.
14. Chakravarthy B, Toohey S, Razaimehr Y, Anderson CL, Hoonpongsimanont W, Menchine M, Lotfipour S. National differences between ED and ambulatory visits for suicidal ideation and attempts and depression. Am J Emerg Med. 2014 May;32(5):443-7. doi: 10.1016/j.ajem.2013.12.044. Epub 2013 Dec 26.
15. Chakravarthy B, Hoonpongsimanont W, Anderson CL, Habicht M, Bruckner T, Lotfipour S. Depression, suicidal ideation, and suicidal attempt presenting to the emergency department: differences between these cohorts. West J Emerg Med. 2014 Mar;15(2):211-6. doi: 10.5811/westjem.2013.11.13172.
16. Harrison C, Hoonpongsimanont W, Anderson CL, Roumani S, Weiss J, Chakravarthy B, Lotfipour S. Readiness to Change and Reasons for Intended Reduction of Alcohol Consumption in Emergency Department versus Trauma Population. West J Emerg Med. 2014 May;15(3):337-44. doi: 10.5811/westjem.2013.8.15829
17. Chakravarthy B, Posadas E, Ibrahim D, McArthur K, Osborn M, Hoonpongsimanont W, Wong A, Lotfipour S. Increasing Off-Service Resident Productivity while on their Emergency Department Rotation Using Shift Cards. J Emerg Med. 2015 Jan 21. pii: S0736-4679(14)01221-9. doi: 10.1016/j.jemermed.2014.11.001. [Epub ahead of print] PMID: 25618835
Professional Societies
American College of Emergency Physicians
Society of Academic Emergency Medicine
American Academy of Emergency Medicine
California Chapter, American College of Emergency Physicians
California Chapter, American Academy of Emergency Medicine
Other Experience
Deputy Ambassador of Thailand
ACEP International Section 2011—2013

International Editorial Fellow
Western Journal of Emergency Medicine 2011—pres

Western Journal of Emergency Medicine 2007—pres

Graduate Programs
Emergency Medicine

Research Center
Center for Trauma and Injury Prevention Research
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