Mark I. Langdorf

picture of Mark I. Langdorf

Professor of Clinical Emergency Medicine
School of Medicine

M.D., University of California, San Diego
MHPE, Master in Health Professions Education, University of Illinois, Chicago

Phone: (714) 456-5239
Fax: (714) 456-3740

University of California, Irvine
333 City Boulevard West, Suite 640
Route 128-01
Mail Code: 4064
Orange, CA 92868
Research Interests
Medical informatics, medical education, emergency department efficiency, emergency cardiology/acute coronary syndromes, acute stroke care
Academic Distinctions
1. MacFarlane Memorial Award for Best Research Poster, 15th International Conference on Emergency Medicine, Hong Kong, 2014.

2. Excellence in Teaching, UC Irvine College of Medicine, voted by senior medical students, 2014.

3. American Heart Association “Stroke Silver Plus Quality Achievement Award” for the University of California Irvine Medical Center, (member of UCI Stroke Team), 2013.

5. Most Valuable Player Award for Outstanding Dedication and Service to the UC Irvine School of Medicine, 2013.

6. Michael J. Burns Faculty Teaching Award, UC Irvine Emergency Medicine Residency, 2010, 2012, 2013.

7. Emergency Medicine Senior Clerkship Faculty Teacher of the Year, 2012.

9. Excellence in Teaching, UC Irvine College of Medicine, voted by senior medical students, 2012.

10. Council of Emergency Medicine Residency Directors’ Certificate of Recognition for 10 years of Dedicated Service as an Emergency Medicine Program Director, 2011.

11. Department Chair Award for Excellence, Office of Educational Affairs, (for promoting medical student development and exemplifying the spirit of medical education), UCI School of Medicine, 2005, 2011.

12. Associated Medical Students Government, Student Organization Award to the Emergency Medicine Interest Group, “In Recognition of Outstanding Involvement in Community Service and Development,” 2011.

114. Physician of Excellence, Orange County Medical Association, 2009, 2010, 2011, 2012, 2013, 2014, 2015.

15. Faculty Honor Roll: Living Our Values Award Nominee, UC Irvine main campus, 2008.

16. Marquis “Who’s Who in America,” 2009.

17. Certificate of Excellence for Workplace Fairness, Presented at the American Academy of Emergency Medicine Scientific Assembly, 2007, renewed 2012.

19. Selected for inclusion in Guide to America’s Top Physicians, Consumer Research Council of America, 2005.

21. Peter Rosen Award for Academic Leadership, American Academy of Emergency Medicine, 2005.
1. Langdorf MI, Strange G., and Macneil P:"Computerized Tracking of Emergency Medicine Resident Clinical Experience, Annals of Emergency Medicine, 19:764-773, July, 1990.

2. Aghababian R, Bishop M, Gallery M, Gotthold W, Hoffman G, Jorden R, Kuhn G, Langdorf MI, Ling L and McCabe J: "Core Content for Emergency Medicine," Annals of Emergency Medicine,, 20:920, August, 1991.

3. Danze L, Langdorf MI: "Reversal of Orphenadrine-Induced Ventricular Tachycardia with Physostigmine," Journal of Emergency Medicine, 9:supplement, November, 1991.

4. Chernow SM, Emerman CL, Langdorf MI, Schultz C: "Academic Emergency Medicine: A National Profile With and Without Emergency Medicine Residency Programs", Annals of Emergency Medicine, 21:947-51, 1992.

5. Ilkhanipour K, Juels CR, Langdorf MI: "Pediatric Pain Control and Conscious Sedation: A Survey of Emergency Medicine Residencies," Academic Emergency Medicine, 1:368-72, 1994.

6. Langdorf MI, Koenig KL, Brault A, Bradman S, Bearie B: "Computerized Literature Search in the ED: Patient Care Impact," Academic Emergency Medicine, 1995; 2:157-59.

7. Langdorf MI, Ritter M, Ferkich A, Bearie B, Bryan J, "National Survey of Emergency Medicine Resident Moonlighting," Academic Emergency Medicine, 2:308-313, 1995.

8. Langdorf MI, Ritter M, Ferkich A, Bryan J, Bearie B, “Emergency Medicine Resident Moonlighting: A survey of Program Directors,” Academic Emergency Medicine, 2:302-7, 1995.

9. Vaca FE, Myers JH, Langdorf MI, "Delayed Pulmonary Edema and Bronchospasm Following Accidental Lacrimator Exposure: Case Report and Review," American Journal of Emergency Medicine, 1996, July, 14(4), 402-5.

10. Kozak RJ, Kazzi AA, Langdorf MI, "The Threat of Funding Cuts for Graduate Medical Education: Survey of Decision Makers," Academic Emergency Medicine, 4:736-41, 1997.

11. Langdorf MI, Montague BJ, Bearie B,and Sobel CS, "Quantification of Procedures and Resuscitations in an Emergency Medicine Residency." Journal of Emergency Medicine 16:121-7, 1998.

12. Segal J, Maltby B, Langdorf MI, Jacobsen R, Brunnemann SR and Jusko WJ, "Acute Spinal Cord Injury: Altered Methylprednisolone Pharmacokinetics May Explain Equivocal Restoration of Useful Motor Function," Pharmacotherapy, 18(1):16-22, 1998.

13. Kazzi AA, Ellis K, White K, Langdorf MI, and Handly N, “Earthquake Epidemiology: The 1994 Los Angeles Earthquake Experience at Granada Hills Community Hospital,” Proceedings of the National Earthquake Hazards Reduction Program Conference and Workshop on Research on the Northridge, California Earthquake of January 17, 1994 , Volume 4 (Social Sciences and Emergency Management), pp 203-210, 1998.

14. Kazzi AA, Langdorf MI, Handly N, White K, Ellis K: “Earthquake Epidemiology: The 1994 Los Angeles Earthquake Emergency Department Experience at a Community Hospital.” Prehospital and Disaster Medicine, 15(1) 12-19, 2000.

15. Langdorf MI, Fox JC, Marwah RS, Montague BJ, Hart MM: “Physician versus Computer Knowledge of Potential Drug Interactions in the Emergency Department.” Academic Emergency Medicine, 7:1321-29, 2000.

16. Kazzi AA, Langdorf MI, Brillman J, Handly N, Munden S: “Emergency Medicine Residency Applicant Educational Debt: Relationship with Attitude toward Training and Moonlighting. Academic Emergency Medicine, 7:1399-1407, 2000.

17. Martin-Lee L, Park H, Overton DT for the emergency medicine residency interview date study group (Langdorf MI), “Does Interview Date Affect Match List Position in the Emergency Medicine National Residency Matching Program Match?” Academic Emergency Medicine, 7:1022-26, 2000.

18. Kazzi AA, Langdorf MI, Ghadishah D, Handly N. “Motivations for a career in emergency medicine: a profile of the 1996 US applicant pool.” Canadian Journal of Emergency Medicine 2001;3(2):99-104.

19. Langdorf MI: “The Call for Academic Departments of Emergency Medicine Throughout the University of California,” California Journal of Emergency Medicine, 2:8-10, 2001.

20. Sebastian RI, Miller K, Langdorf MI, Johnson D, “EMS Adherence to a Pre-hospital Cervical Spine Clearance Protocol,” California Journal of Emergency Medicine, 2:44-6, 2001.

21. Langdorf MI, Rudkin S, Delotta K, Fox JC and Munden S, “Decision Rule and Utility of Routine Urine Toxicology Screening of Trauma Patients,” European Journal of Emergency Medicine, 9:115-121, 2002.

22. Huang ET, Twa MD, Schanzlin DJ, Van Hoesen KB, Hill MA, Langdorf MI, “Refractive Change in Response to Acute Hyperbaric Stress in Refractive Surgery Patients,” Journal of Cataract and Refractive Surgery, 28:1575-1580, 2002.

23. Wong HE, Kazzi AA, Langdorf MI, “Utility of the CORD ECG Database in Evaluating ECG Interpretation by Emergency Medicine Residents,” California Journal of Emergency Medicine, 3:59-65, 2002.

24. Kwon KT, Rudkin SE, Langdorf MI: “Antiemetic Use in Pediatric Gastroenteritis: A National Survey of Emergency Physicians, Pediatricians, and Pediatric Emergency Physicians,” Clinical Pediatrics, 41:641-652, 2002.

25. Langdorf MI, Bearie BJ, Kazzi AA, Blasko B, Kohl A: “Patients’ vs. Physicians’ Assessments of Emergencies: The Prudent Layperson Standard, California Journal of Emergency Medicine 4:75-81, 2003.

26. Langdorf MI, Lotfipour S: “Pro/Con: Advantages of the Three-year Residency” California Journal of Emergency Medicine, 5:15-20, 2004.

27. Lubavin BV, Langdorf MI, Blasko BJ, “The Effect of EM Residency Format on Pursuit of Fellowship Training and an Academic Career, Academic Emergency Medicine, 2004; 11:938-43.

28. Rudkin SE, Oman J, Langdorf MI, Hill MA, Bauche J, Kivela P, Johnson L, “The State of ED On-Call Coverage in California,” American Journal of Emergency Medicine, 2004;22:575-581.

29. Langdorf, MI, “Introductory Remarks: The Second Mediterranean Emergency Medicine Congress Research Forum: A Selection of the Best Abstracts Presented,” Journal of Emergency Medicine, 26:473, 2004.

30. Langdorf, MI, Kazzi AA, Marwah R, Bauche J: “Monetary Resident Incentives: Effect on Patient Satisfaction in an Academic Emergency Department, California Journal of Emergency Medicine, 6:8-13,2005.

31. Calkins TR, Miller KM, Langdorf MI: “Success and Complication Rates with Prehospital Placement of an esophageal-tracheal Combitube as a Rescue Airway. Prehospital Disaster Med. 2006 Mar-Apr;21(2 Suppl2) : 97-100.

32. Rudkin SE, Langdorf MI, Macias D, Oman JA, Kazzi AA., Personal digital assistants change management more often than paper texts and foster patient confidence.” Eur J Emerg Med; 13(2): 92-6, 2006.

33. Stradling D, Yu W, Langdorf MI, Tsai F, Kostanian VJ, Hasso AN, Welbourne SJ, Schooley Y, Fisher MJ, Cramer SC, “Stroke care delivery before vs. after JCAHO stroke center certification,” Neurology , 68(6); 469-70, 2007.

34. Fox JC, Hunt MJ, Zlidenny AM, Oshita MH, Barajas G, Langdorf MI. “Retrospective analysis of emergency department ultrasound for acute appendicitis.” California Journal of Emergency Medicine, 8(2);41-45, 2007.

35. Langdorf MI, Henderson SO. “The Birth of the Western Journal of Emergency Medicine: WestJEM.” Western Journal of Emergency Medicine, 8(3); 73-75, 2007.

36. Fox JC, Cusick S, Scruggs W, Henson TW, Langdorf MI, McDonough J, Barajas G, Zlidenny A, Anderson C. “Educational Assessment of Medical Student Rotation in Emergency Ultrasound.” Western Journal of Emergency Medicine, 8(3); 91-94, 2007.

37. Gharahbaghian L, Brosnan DP, Fox JC, Stratton SJ, Langdorf MI, “New Onset Thyrotoxicosis Presenting as Vomiting, Abdominal Pain and Transaminitis in the Emergency Department.” Western Journal of Emergency Medicine, 8(3); 104-107, 2007.

38. Langdorf MI, Bums MJ, Rudkin SE, Bradley D, Bridgeman TV, Gain M, Welbourne S, “Emergency Department Clinical Algorithms: One Academic Medical Center’s Road to Clinical Excellence through Collaborative Practice,” Journal of Integrated Care Pathways, 11;100-111, 2007.

39. Scruggs W, Fox JC, Potts B, Zlidenny A, McDonough J, Anderson C, Barajas G, Langdorf MI: Accuracy of ED Bedside Ultrasound for Identification of Gallstones: Retrospective Analysis of 575 Studies, Western Journal of Emergency Medicine, 9:(1), 1-5, 2008.

40. Boysen MM, Henderson JL, Rudkin SE, Burns MJ, Langdorf MI. “Positive Cerebrospinal Fluid Bacterial Cultures in Patients with Normal Cell Counts are Contaminants.” Journal of Emergency Medicine, 2008, Jun 30 (epub ahead of print).

41. Silman EF, Chakravarthy B, Vaca F, Langdorf MI. “Polycystic Kidney Disease with Renal Failure Presenting as Incarcerated Inguinal Hernia in the ED,” Western Journal of Emergency Medicine, 10(1):55-7, 2009.

42. Grijalva RA, Ritter MS, Langdorf MI, “Chest Swelling and Fever in an Intravenous Drug User,” Western Journal of Emergency Medicine, 9(2):112-4, 2008.

43. Kahn A, Kahn AL, Fox JC, Langdorf MI, “Subchorionic Hemorrhage Appearing as Twin Gestation on Endovaginal Ultrasound,” Western Journal of Emergency Medicine, 9(2):115-7, 2008.

44. Gharahbaghian L, Lotfipour S, McCoy CE, Hoonpongsimanont W, Langdorf MI, “Central Diabetes Insipidus Misdiagnosed as Acute Gastroenteritis in a Pediatric Patient,” Canadian Journal of Emergency Medicine, 10(5), 488-92, 2008.

45. Silman EF, Langdorf MI, Rudkin SE, Lotfipour S. Pediatric Spinal Cord Injury without Radiographic Abnormality,” Western Journal of Emergency Medicine, 9(2):124, 2008.

46. Lotfipour S, Luu R, Hayden SR, Vaca FE, Hoonpongsimanont W, Langdorf MI. “Becoming an Emergency Medicine Resident: A Practical Guide for Medical Students.” Journal of Emergency Medicine, 35:339-44, 2008.

47. Rudkin SE, Langdorf MI, Oman JA, Anderson C, White H. “The Worsening of ED On-Call Coverage in California: Six-year Trend,” American Journal of Emergency Medicine, 2009 Sep;27(7):785-91.

48. Ahmed SS, Tran QP, Langdorf MI, Lessick S, Lotfipour S. “Open-Access: The Alternative to Subscription-Based Medical Publishing,” Western Journal of Emergency Medicine, 2008; 9(4):240-242.

49. Chiles K, Silman EF, Langdorf, MI, Lotfipour S. “Cecal Diverticulitis Mistaken as Appendicitis,” Western Journal of Emergency Medicine; 2009 August, 10(3):206.

50. Langdorf MI, Hayden SR. “Turning Your Abstract into a Paper: Academic Writing Made Simpler,” Western Journal of Emergency Medicine: 2009; 10(2); 120-3.

51. Langdorf MI, Wei E, Ghobadi A, Rudkin SE, Lotfipour S. “Echocardiography to Supplement Stress Electrocardiography in Emergency Department Chest Pain Patients” Western Journal of Emergency Medicine: 2010; 11:379-83.

52. McCoy CE, Menchine M, Anderson C, Kollen R, Langdorf MI, Lotfipour S. “Prospective Randomized Crossover Study of Simulation vs. Didactics for Teaching Medical Students the Assessment and Management of Critically Ill Patients.” Journal of Emergency Medicine: 2011 Apr; 40(4):448-55.

53. Langdorf MI, Della Corte F, Petrino R. “Promoting International Emergency Medicine through WestJEM,” Western Journal of Emergency Medicine: 2009; 10:4, 225-26.

54. Gharahbaghian L, Hindyeh R, Langdorf MI, Vaca FE, Anderson CL, Kahn JA, Wiechmann W, Lotfipour S. “The Effect of Emergency Department Observational Experience on Medical Student Interest in Emergency Medicine.” Journal of Emergency Medicine: 2011 Apr;40(4):458-62.2010.

55. Simonian SM, Lotfipour S, Wall C, Langdorf MI. “Challenging the Superiority of Amiodarone for Rate Control in Wolff-Parkinson-White and Atrial Fibrillation.” Internal and Emergency Medicine: 5:421-26, 2010.

56. Fox JC, Boysen M, Gharahbaghian L, Cusick S, Ahmed SS, Anderson CL, Lekawa M, Langdorf MI. "Test Characteristics of Focused Assessment of Sonography for Trauma (FAST) for Clinically Significant Abdominal Free Fluid in Pediatric Blunt Abdominal Trauma" Academic Emergency Medicine, 2011 May;18(5):477-82.

57. Rudkin SE, Kahn C, Oman JA, Dolich M, Lotfipour S, Lush S, Gain M, White H, Firme C, Anderson C, Langdorf MI: Prospective Correlation of Arterial vs. Venous Blood Gas Measurements in Trauma Patients, American Journal of Emergency Medicine, 30:1371-77, 2012.

58. Langdorf MI, Lee S, Menchine MD. “Financial Implications for Physicians Accepting Higher Level of Care Transfers,” Western Journal of Emergency Medicine, 14:227-32, 2013.

59. Rodriguez R, Nishijima D, Medak A, Langdorf MI, Hendey G, Mower W, Baumann G: NEXUS Chest: “Validation of a Decision Instrument for Selective Chest Imaging in Blunt Trauma,” JAMA Surgery, 2013. (in press).
60. Reed K, Chandwani C, Langdorf MI. “Case Report of Transient Global Amnesia,” Emergency Medicine: Open Access, November 19, 2013. .

61. Langdorf MI, Strom SL, Yang L, Canales C, Anderson CL, Amin A, Lotfipour S. “High-Fidelity Simulation Enhances ACLS Training,” Teaching and Learning in Medicine: An International Journal. 2014; 26(3); 266-73. doi: 10.1080/10401334.2014.910466.

62. Rodriguez RM, Baumann BM, Raja AS, Langdorf M, Anglin D, Bradley RN, Medak AJ, Mower WR, Hendey GW. "Diagnostic Yields, Charges and Radiation Dose of Chest Imaging in Blunt Trauma Evaluations." Academic Emergency Medicine, 21:6, 644-50, 2014.

63. Rodriguez R, Henderson TM, Ritchie AM, Langdorf MI, Raja AS, Silverman E, Schlang J, Sloane B, Ronan CE, Anderson CL Baumann B, “Patient Preferences and Acceptable Risk for Computed Tomography in Trauma.” Injury (ePub ahead of print, DOI:10.1016/j.injury. 2014.03.011), 1345-49, 2014.

64. Langdorf MI, Kahn NA, Zuabi N, Bithell C, Rowther AA, Reed K, Anderson CL, Lotfipour S, Rodriguez R, “Yield and Clinical Predictors of Thoracic Spine Injury from Chest Computed Tomography for Blunt Trauma,” Western Journal of Emergency Medicine, 15(4):465-70, 2014.

65. Hasegawa K, Sullivan AF, Hirashima ET, Gaeta TJ, Fee C, Turner SJ, Massaro S, Camargo CA Jr, on behalf of the MARC-36 Investigators (Langdorf MI). A multicenter observational study of US adults with acute asthma: Who are the frequent utilizers in the emergency department? J Allergy Clin Immunol Pract 2014; (in press).

66. Sullivan AF, Hasegawa K, Linnemann RW, Long AA, Teuber SS, Turner SJ, Massaro S, Camargo CA Jr, on behalf of the MARC-36 Investigators (Langdorf MI). An update on U.S. asthma centers: 2013. Ann Allergy Asthma Immunol 113(4) 484-6, 2014.

67. Connolly K, Beier L, Langdorf MI, Anderson CL, Fox JC. “Ultrafest: A Novel Approach to Ultrasound in Medical Education Leads to Improvement in Written and Clinical Examinations” Western Journal of Emergency Medicine, 2015; 16(1): 143- 148.

68. Hasegawa K, Sullivan AF, Tsugawa Y, Turner SJ, Massaro S, Clark S, Tsai CL, Camargo CA Jr, on behalf of the MARC-36 Investigators (Langdorf MI). “Comparison of U.S. emergency department acute asthma care quality, 1997-2001 and 2001-2012.” J Allergy Clin Immunol 2014; in press.

69. Hasegawa K, Cydulka RK, Sullivan AF, Langdorf MI, Nonas SA, Nowak RM, Wang NE, Camargo CA Jr. “Improved Management of Acute Asthma among Pregnant Women Presenting to the Emergency Department.” CHEST 2015; 147 ( 2 ): 406 - 414.

70. Perez MR, Rodriguez RM, Baumann BM, Langdorf MI, Anglin D, Bradley RN, Medak AJ, Mower WR, Hendey GW, Nishijima DK, Raja AS. “Sternal fracture in the age of pan-scan.” Injury. 2015 Mar 14. pii: S0020-1383(15)00150-3. doi: 10.1016/j.injury.2015.03.015. [Epub ahead of print] PMID: 25817167

71. Saver JL, Starkman S, Eckstein M, Stratton SJ, Pratt FD, Hamilton S, Conwit R, Liebeskind DS, Sung G, Kramer I, Moreau G, Goldweber R, Sanossian N; FAST-MAG Investigators and Coordinators (Langdorf, MI, one of 1220 site investigators), Prehospital use of magnesium sulfate as neuroprotection in acute stroke. N Engl J Med. 2015 Feb 5;372(6):528-36. doi: 10.1056/NEJMoa1408827.

72. Langdorf MI, Medak A, Hendey GW, Nishijima D, Mower W, Raja A, Bauman B, Anglin D, Anderson CL, Lotfipour S, Reed KE, Zuabi N, Bithell C, Rowther AA, Villar J, Rodriguez RM, “Prevalence and Clinical Import of Thoracic Injury Identified by Chest CT but not Chest X-ray in Blunt Trauma: Multicenter Prospective Cohort Study,” Annals of EM. (in press).
Site Investigator, R01 Grant, Robert Rodriguez, MD, PI, University of California, San Francisco, "Validation of a Decision Rule for the Clinical Utility of Chest Radiography in Emergency Department Patients with Multiple Blunt Trauma."
A Comparative Study of Field Administration of Magnesium versus Placebo to Reduce Stroke Injury (FAST-MAG) Principle Site Investigator, 2011-13
Professional Societies
Fellow, American College of Emergency Physicians
Fellow, American Academy of Emergency Medicine
Registered Diagnostic Medical Sonographer
Society for Academic Emergency Medicine
Other Experience
Associate Dean for Faculty Development and Continuing Medical Education
UC Irvine 2013—2015

Chair, Department of Emergency Medicine

Residency Director, Emergency Medicine

Emergency Department Medical Director

Graduate Programs

Research Center
Center for Trauma and Injury Prevention Research
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