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Bharath Chakravarthy

Title(s)Associate Clinical Professor, Emergency Medicine
Address1001 Health Sciences Road
Irvine CA 92697-3950
Phone(714) 456-6986
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    1. Electroencephalography Might Improve Diagnosis of Acute Stroke and Large Vessel Occlusion. Stroke. 2020 Sep 18; STROKEAHA120030150. Erani F, Zolotova N, Vanderschelden B, Khoshab N, Sarian H, Nazarzai L, Wu J, Chakravarthy B, Hoonpongsimanont W, Yu W, Shahbaba B, Srinivasan R, Cramer SC. PMID: 32942967.
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    2. Pragmatic Randomized Controlled Pilot Trial on Trigger Point Injections With 1% Lidocaine Versus Conventional Approaches for Myofascial Pain in the Emergency Department. J Emerg Med. 2020 Jul 22. Yanuck J, Saadat S, Lee JB, Jen M, Chakravarthy B. PMID: 32712034.
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    3. African American/white disparities in psychiatric emergencies among youth following rapid expansion of Federally Qualified Health Centers. Health Serv Res. 2020 02; 55(1):26-34. Bruckner TA, Singh P, Yoon J, Chakravarthy B, Snowden LR. PMID: 31709539.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    4. Rapid Growth of Mental Health Services at Community Health Centers. Adm Policy Ment Health. 2019 09; 46(5):670-677. Bruckner TA, Singh P, Snowden LR, Yoon J, Chakravarthy B. PMID: 31273479.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    5. Crowdsourced Traffic Data as an Emerging Tool to Monitor Car Crashes. JAMA Surg. 2019 08 01; 154(8):777-778. Young SD, Wang W, Chakravarthy B. PMID: 31116356.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    6. Psychiatric-related Revisits to the Emergency Department Following Rapid Expansion of Community Mental Health Services. Acad Emerg Med. 2019 12; 26(12):1336-1345. Singh P, Chakravarthy B, Yoon J, Snowden L, Bruckner TA. PMID: 31162887.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    7. Psychiatric Emergency Department Visits After Regional Expansion of Community Health Centers. Psychiatr Serv. 2019 10 01; 70(10):901-906. Bruckner TA, Singh P, Chakravarthy B, Snowden L, Yoon J. PMID: 31242829.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    8. Electroencephalography Measures are Useful for Identifying Large Acute Ischemic Stroke in the Emergency Department. J Stroke Cerebrovasc Dis. 2019 Aug; 28(8):2280-2286. Shreve L, Kaur A, Vo C, Wu J, Cassidy JM, Nguyen A, Zhou RJ, Tran TB, Yang DZ, Medizade AI, Chakravarthy B, Hoonpongsimanont W, Barton E, Yu W, Srinivasan R, Cramer SC. PMID: 31174955.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    9. Feasibility of Telesimulation and Google Glass for Mass Casualty Triage Education and Training. West J Emerg Med. 2019 May; 20(3):512-519. McCoy CE, Alrabah R, Weichmann W, Langdorf MI, Ricks C, Chakravarthy B, Anderson C, Lotfipour S. PMID: 31123554.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    10. Randomized Controlled Trial of Simulation vs. Standard Training for Teaching Medical Students High-quality Cardiopulmonary Resuscitation. West J Emerg Med. 2019 Jan; 20(1):15-22. McCoy CE, Rahman A, Rendon JC, Anderson CL, Langdorf MI, Lotfipour S, Chakravarthy B. PMID: 30643596.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    11. A Multiple-Mini Interview (MMI) for Emergency Medicine Residency Admissions: A Brief Report and Qualitative Analysis. J Adv Med Educ Prof. 2018 Oct; 6(4):176-180. Boysen-Osborn M, Wray A, Hoonpongsimanont W, Chakravarthy B, Suchard JR, Wiechmann W, Toohey S. PMID: 30349829.
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    12. Compartment Syndrome with Rhabdomyolysis in a Marathon Runner. Clin Pract Cases Emerg Med. 2018 Aug; 2(3):197-199. Brinley A, Chakravarthy B, Kiester D, Hoonpongsimanont W, McCoy CE, Lotfipour S. PMID: 30083631.
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    13. Screening emergency department patients for opioid drug use: A qualitative systematic review. Addict Behav. 2018 10; 85:139-146. Sahota PK, Shastry S, Mukamel DB, Murphy L, Yang N, Lotfipour S, Chakravarthy B. PMID: 29909354.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansPHPublic Health
    14. Socioeconomic and geographical disparities in prescription and illicit opioid-related overdose deaths in Orange County, California, from 2010-2014. Subst Abus. 2019; 40(1):80-86. Marshall JR, Gassner SF, Anderson CL, Cooper RJ, Lotfipour S, Chakravarthy B. PMID: 29465301.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    15. Emergency physician resistance to a take-home naloxone program led by community harm reductionists. Am J Emerg Med. 2018 11; 36(11):2110-2112. Barbour K, McQuade M, Somasundaram S, Chakravarthy B. PMID: 29588147.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    16. Latest Considerations in Diagnosis and Treatment of Appendicitis During Pregnancy. Clin Pract Cases Emerg Med. 2018 May; 2(2):112-115. Lotfipour S, Jason M, Liu VJ, Helmy M, Hoonpongsimanont W, McCoy CE, Chakravarthy B. PMID: 29849258.
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    17. Submassive Central Saddle and Extensive Bilateral Pulmonary Embolism Presenting as Syncope Treated with Catheter-directed Therapy. Clin Pract Cases Emerg Med. 2018 Feb; 2(1):7-11. Andrusaitis J, Helmy M, McCoy CE, Hoonpongsimanont W, Chakravarthy B, Lotfipour S. PMID: 29849268.
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    18. Randomized pilot trial measuring knowledge acquisition of opioid education in emergency department patients using a novel media platform. Subst Abus. 2018 01 02; 39(1):27-31. Chakravarthy B, Somasundaram S, Mogi J, Burns R, Hoonpongsimanont W, Wiechmann W, Lotfipour S. PMID: 28873050.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    19. Research Associates Program: Expanding clinical research productivity with undergraduate students. SAGE Open Med. 2017; 5:2050312117730245. Hoonpongsimanont W, Sahota PK, Ng NN, Farooqui MJ, Chakravarthy B, Patel B, Lotfipour S. PMID: 28932396.
      View in: PubMed   Mentions:
    20. Determinants of Pediatric Psychiatry Length of Stay in 2 Urban Emergency Departments. Pediatr Emerg Care. 2017 Sep; 33(9):613-619. Chakravarthy B, Yang A, Ogbu U, Kim C, Iqbal A, Haight J, Anderson C, DiMassa G, Bruckner T, Bhargava R, Schreiber M, Lotfipour S. PMID: 26417958.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    21. To Intubate or Not to Intubate: Emergency Medicine Physicians' Perspective on Intubating Critically Ill, Terminal Cancer Patients. J Pain Symptom Manage. 2017 11; 54(5):654-660.e1. Kim K, Chakravarthy B, Anderson C, Liao S. PMID: 28754440.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    22. Use of Physician-in-Triage Model in the Management of Abdominal Pain in an Emergency Department Observation Unit. West J Emerg Med. 2017 Feb; 18(2):181-188. Marshall JR, Katzer R, Lotfipour S, Chakravarthy B, Shastry S, Andrusaitis J, Anderson CL, Barton ED. PMID: 28210350.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    23. Computerized alcohol screening identified more at-risk drinkers in a level 2 than a level 1 trauma center. BMC Public Health. 2017 01 06; 17(1):32. Imani G, Barrios C, Anderson CL, Hosseini Farahabadi M, Banimahd F, Chakravarthy B, Hoonpongsimanont W, McCoy CE, Mercado G, Farivar B, Pham JK, Lotfipour S. PMID: 28056919.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    24. The Affordable Care Act: Disparities in emergency department use for mental health diagnoses in young adults. World J Emerg Med. 2017; 8(3):206-213. Yanuck J, Hicks B, Anderson C, Billimek J, Lotfipour S, Chakravarthy B. PMID: 28680518.
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    25. Text messaging versus email for emergency medicine residents' knowledge retention: a pilot comparison in the United States. J Educ Eval Health Prof. 2016; 13:36. Hoonpongsimanont W, Kulkarni M, Tomas-Domingo P, Anderson C, McCormack D, Tu K, Chakravarthy B, Lotfipour S. PMID: 27780350.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    26. A Rare but Important Clinical Presentation of Induced Methemoglobinemia. West J Emerg Med. 2016 Sep; 17(5):627-9. Banimahd F, Loo T, Amin M, Ahadiat OR, Chakravarthy B, Lotfipour S. PMID: 27625731.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    27. Growing Trend of Alternative Tobacco Use Among the Nation's Youth: A New Generation of Addicts. West J Emerg Med. 2016 Mar; 17(2):139-42. Marshall JR, Lotfipour S, Chakravarthy B. PMID: 26973738.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    28. Moving Beyond Screening: How Emergency Departments Can Help Extinguish the HIV/AIDS Epidemic. West J Emerg Med. 2016 Mar; 17(2):135-8. Menchine M, Zhou M, Lotfipour S, Chakravarthy B. PMID: 26973737.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansPHPublic Health
    29. Emergency Mental Health Services for Children After the Terrorist Attacks of September 11, 2001. Adm Policy Ment Health. 2016 Jan; 43(1):44-51. Bruckner TA, Kim Y, Lubens P, Singh A, Snowden L, Chakravarthy B. PMID: 25573077.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    30. Distracted Driving, A Major Preventable Cause of Motor Vehicle Collisions: "Just Hang Up and Drive". West J Emerg Med. 2015 Dec; 16(7):1033-6. Kahn CA, Cisneros V, Lotfipour S, Imani G, Chakravarthy B. PMID: 26759649.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    31. Effectiveness of a 40-minute Ophthalmologic Examination Teaching Session on Medical Student Learning. West J Emerg Med. 2015 Sep; 16(5):721-6. Hoonpongsimanont W, Nguyen K, Deng W, Nasir D, Chakravarthy B, Lotfipour S. PMID: 26587097.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    32. A retrospective analysis of ethnic and gender differences in alcohol consumption among emergency department patients: a cross-sectional study. BMC Emerg Med. 2015 Sep 29; 15:24. Lotfipour S, Cisneros V, Ogbu UC, McCoy CE, Barrios C, Anderson CL, Hoonpongsimanont W, Alix K, Chakravarthy B. PMID: 26419652.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    33. Patient Motivators for Emergency Department Utilization: A Pilot Cross-Sectional Survey of Uninsured Admitted Patients at a University Teaching Hospital. J Emerg Med. 2015 Aug; 49(2):203-10.e3. Lozano K, Ogbu UC, Amin A, Chakravarthy B, Anderson CL, Lotfipour S. PMID: 26066991.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    34. Increasing off-service resident productivity while on their emergency department rotation using shift cards. J Emerg Med. 2015 Apr; 48(4):499-505. Chakravarthy B, Posadas E, Ibrahim D, McArthur K, Osborn M, Hoonpongsimanont W, Wong A, Lotfipour S. PMID: 25618835.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    35. Polysubstance abuse: alcohol, opioids and benzodiazepines require coordinated engagement by society, patients, and physicians. West J Emerg Med. 2015 Jan; 16(1):76-9. Ogbu UC, Lotfipour S, Chakravarthy B. PMID: 25671013.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    36. Emergency medical services public health implications and interim guidance for the Ebola virus in the United States. West J Emerg Med. 2014 Nov; 15(7):723-7. McCoy CE, Lotfipour S, Chakravarthy B, Schultz C, Barton E. PMID: 25493108.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansCellsPHPublic Health
    37. 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. Harrison C, Hoonpongsimanont W, Anderson CL, Roumani S, Weiss J, Chakravarthy B, Lotfipour S. PMID: 24829617.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansPHPublic Health
    38. 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. Chakravarthy B, Hoonpongsimanont W, Anderson CL, Habicht M, Bruckner T, Lotfipour S. PMID: 24672614.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    39. Increasing suicide rates among middle-age persons and interventions to manage patients with psychiatric complaints. West J Emerg Med. 2014 Feb; 15(1):11-3. Chakravarthy B, Frumin E, Lotfipour S. PMID: 24578763.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    40. National differences between ED and ambulatory visits for suicidal ideation and attempts and depression. Am J Emerg Med. 2014 May; 32(5):443-7. Chakravarthy B, Toohey S, Rezaimehr Y, Anderson CL, Hoonpongsimanont W, Menchine M, Lotfipour S. PMID: 24637133.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    41. Emergency departments and older adult motor vehicle collisions. West J Emerg Med. 2013 Nov; 14(6):582-4. Lotfipour S, Cisneros V, Chakravarthy B. PMID: 24381675.
      View in: PubMed   Mentions: 1     Fields:    
    42. Adolescent drug abuse - awareness & prevention. Indian J Med Res. 2013 Jun; 137(6):1021-3. Chakravarthy B, Shah S, Lotfipour S. PMID: 23852281.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    43. Vital signs: fatalities and binge drinking among high school students: a critical issue to emergency departments and trauma centers. West J Emerg Med. 2013 May; 14(3):271-4. Lotfipour S, Cisneros V, Chakravarthy B. PMID: 23687547.
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    44. Guidelines for Field Triage of Injured Patients: In conjunction with the Morbidity and Mortality Weekly Report published by the Center for Disease Control and Prevention. West J Emerg Med. 2013 Feb; 14(1):69-76. McCoy CE, Chakravarthy B, Lotfipour S. PMID: 23447758.
      View in: PubMed   Mentions: 7     Fields:    
    45. Fatality and injury severity of older adult motor vehicle collisions in orange county, california, 1998-2007. West J Emerg Med. 2013 Feb; 14(1):63-8. Lotfipour S, Sayegh R, Chakravarthy B, Hoonpongsimanont W, Anderson CL, Fox JC, Vaca FE. PMID: 23451291.
      View in: PubMed   Mentions: 1     Fields:    
    46. Increased detection of alcohol consumption and at-risk drinking with computerized alcohol screening. J Emerg Med. 2013 Apr; 44(4):861-6. Lotfipour S, Howard J, Roumani S, Hoonpongsimanont W, Chakravarthy B, Anderson CL, Weiss JW, Cisneros V, Dykzeul B. PMID: 23321293.
      View in: PubMed   Mentions: 12     Fields:    Translation:HumansPHPublic Health
    47. Psychiatric patient disposition agreement between the emergency physician and the psychiatry consultant. Crisis. 2013 Jan 01; 34(5):354-62. Chakravarthy B, Menchine M, Thompson DE, Rajeev S, Santos BJ. PMID: 23502061.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    48. Assessment of alcohol use patterns among spanish-speaking patients. Subst Abus. 2013; 34(2):155-61. Lotfipour S, Cisneros V, Anderson CL, Roumani S, Hoonpongsimanont W, Weiss J, Chakravarthy B, Dykzeul B, Vaca F. PMID: 23577910.
      View in: PubMed   Mentions: 9     Fields:    Translation:HumansPHPublic Health
    49. Analysis of mental health substance abuse-related emergency department visits from 2002 to 2008. Subst Abus. 2013; 34(3):292-7. Chakravarthy B, Tenny M, Anderson CL, Rajeev S, Istanbouli T, Lotfipour S. PMID: 23844961.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    50. Prescription drug monitoring programs and other interventions to combat prescription opioid abuse. West J Emerg Med. 2012 Nov; 13(5):422-5. Chakravarthy B, Shah S, Lotfipour S. PMID: 23357954.
      View in: PubMed   Mentions: 7     Fields:    
    51. Voluntary psychiatric emergencies in Los Angeles County after funding of California's Mental Health Services Act. Psychiatr Serv. 2012 Aug; 63(8):808-14. Bruckner TA, Yonsu K, Chakravarthy B, Brown TT. PMID: 22660697.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    52. Commentary: Driver electronic device use--put down that cell telephone! Ann Emerg Med. 2012 Jun; 59(6):495-6. Chakravarthy B, Lotfipour S. PMID: 22626017.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    53. Assessment of readiness to change and relationship to AUDIT score in a trauma population utilizing computerized alcohol screening and brief intervention. Subst Abus. 2012; 33(4):378-86. Lotfipour S, Cisneros V, Chakravarthy B, Barrios C, Anderson CL, Fox JC, Roumani S, Hoonpongsimanont W, Vaca FE. PMID: 22989282.
      View in: PubMed   Mentions: 10     Fields:    Translation:HumansPHPublic HealthCTClinical Trials
    54. 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. Anderson CL, Dominguez KM, Hoang TV, Rowther AA, Carroll MC, Lotfipour S, Hoonpongsimanont W, Chakravarthy B. PMID: 23169114.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    55. A geographic analysis of collisions involving child pedestrians in a large Southern California county. Traffic Inj Prev. 2012; 13(2):193-8. Chakravarthy B, Anderson CL, Ludlow J, Lotfipour S, Vaca FE. PMID: 22458798.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    56. Simulation in medical school education: review for emergency medicine. West J Emerg Med. 2011 Nov; 12(4):461-6. Chakravarthy B, Ter Haar E, Bhat SS, McCoy CE, Denmark TK, Lotfipour S. PMID: 22224138.
      View in: PubMed   Mentions: 19     Fields:    
    57. Vertebrobasilar artery occlusion. West J Emerg Med. 2011 May; 12(2):233-9. Schoen JC, Boysen MM, Warren CR, Chakravarthy B, Lotfipour S. PMID: 21691534.
      View in: PubMed   Mentions: 4     Fields:    
    58. Commentary: Alcohol and motor vehicle-related crashes--driver attitudes need further intervention. Ann Emerg Med. 2011 Apr; 57(4):406-8. Lotfipour S, Mortazavi R, Chakravarthy B. PMID: 21453819.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    59. Comparison of the visual function index to the Snellen Visual Acuity Test in predicting older adult self-restricted driving. Traffic Inj Prev. 2010 Oct; 11(5):503-7. Lotfipour S, Patel BH, Grotsky TA, Anderson CL, Carr EM, Ahmed SS, Chakravarthy B, Fox JC, Vaca FE. PMID: 20872306.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    60. The relationship of pedestrian injuries to socioeconomic characteristics in a large Southern California County. Traffic Inj Prev. 2010 Oct; 11(5):508-13. Chakravarthy B, Anderson CL, Ludlow J, Lotfipour S, Vaca FE. PMID: 20872307.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    61. Polycystic Kidney Disease with Renal failure Presenting as Incarcerated Inguinal Hernia in the ED. West J Emerg Med. 2009 Feb; 10(1):55-7. Silman EF, Chakravarthy B, Vaca F, Langdorf MI. PMID: 19561770.
      View in: PubMed   Mentions: 1     Fields:    
    62. Pediatric pedestrian injuries: emergency care considerations. Pediatr Emerg Care. 2007 Oct; 23(10):738-44. Chakravarthy B, Vaca FE, Lotfipour S, Bradley D. PMID: 18090111.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    63. Geriatric trauma care: challenges facing emergency medical services. Cal J Emerg Med. 2007 May; 8(2):51-5. Chu I, Vaca F, Stratton S, Chakravarthy B, Hoonpongsimanont W, Lotfipour S. PMID: 20440401.
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    64. Pedestrian injuries: emergency care considerations. Cal J Emerg Med. 2007 Feb; 8(1):15-21. Chakravarthy B, Lotfipour S, Vaca FE. PMID: 20440388.
      View in: PubMed   Mentions:
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