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Ilene A. Claudius, MD

TitleAssociate Professor of Clinical Emergency Medicine
InstitutionUniversity of Southern California
DepartmentEmergency Medicine
AddressGNH 1011 1200 N. State Street
Off Campus
Los Angeles CA 90033
Phone+1 323 226 6667
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    Other Positions
    TitleChief, Pediatric Emergency Medicine


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    Ilene Claudius, MD is an Associate Professor of Clinical Emergency Medicine at the Keck School of Medicine of the University of Southern California. Following medical school, Dr. Claudius completed residencies in Pediatrics and Emergency Medicine at University of California, Los Angeles before joining the USC, Keck School of Medicine faculty in 2002. Initially Dr. Claudius attended in the Emergency Department at Children's Hospital Los Angeles, then moved to the LAC+USC ED in 2009. Her research interests include Apparent Life-Threatening Events and Pediatric Mental Health. Currently, she is working on a multi-center project investigating the utility of different field triage methods and the fidelity of different drill scenarios for pediatric mass casualty incidents.


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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Hsiao V, Santillanes G, Malek D, Claudius I. Review of Interventions and Radiation Exposure from Chest Computed Tomography in Children with Blunt Trauma. J Pediatr. 2018 Apr 25. PMID: 29705114.
      View in: PubMed
    2. Rouhani A, Claudius I, Behar S, Mason J, Grock A. Risk Stratifying Febrile Infants: A Moving Target. Ann Emerg Med. 2018 Feb; 71(2):217-219. PMID: 29447862.
      View in: PubMed
    3. Elkhunovich M, Sirody J, McCormick T, Goodarzian F, Claudius I. The Utility of Cranial Ultrasound for Detection of Intracranial Hemorrhage in Infants. Pediatr Emerg Care. 2018 Feb; 34(2):96-101. PMID: 26999586.
      View in: PubMed
    4. Rose E, Jhun P, Baluzy M, Hauck A, Huang J, Wagner J, Kearl YL, Behar S, Claudius I. Flipping the Classroom in Medical Student Education: Does Priming Work? West J Emerg Med. 2018 Jan; 19(1):93-100. PMID: 29383062.
      View in: PubMed
    5. Nordt SP, Claudius I, Rangan C, Armijo E, Milano P, Yanger S, Tomaszsewski C. Reasons for Energy Drink Use and Reported Adverse Effects Among Adolescent Emergency Department Patients. Pediatr Emerg Care. 2017 Dec; 33(12):770-773. PMID: 27248776.
      View in: PubMed
    6. Claudius I, Desai S, Davis E, Henderson S. Case-controlled Analysis of Patient-based Risk Factors for Assault in the Healthcare Workplace. West J Emerg Med. 2017 Oct; 18(6):1153-1158. PMID: 29085550.
      View in: PubMed
    7. Santillanes G, Kearl YL, Lam CN, Claudius I. Involuntary Psychiatric Holds in Preadolescent Children. West J Emerg Med. 2017 Oct; 18(6):1159-1165. PMID: 29085551.
      View in: PubMed
    8. Chang TP, Santillanes G, Claudius I, Pham PK, Koved J, Cheyne J, Gausche-Hill M, Kaji AH, Srinivasan S, Donofrio JJ, Bir C. Use of a Novel, Portable, LED-Based Capillary Refill Time Simulator within a Disaster Triage Context. Prehosp Disaster Med. 2017 Aug; 32(4):451-456. PMID: 28345508.
      View in: PubMed
    9. Arane K, Claudius I, Goldman RD. Can Fam Physician. 2017 Jan; 63(1):e15-e17. PMID: 28115453.
      View in: PubMed
    10. Zwemer E, Claudius I, Tieder J. Update on the Evaluation and Management of Brief Resolved Unexplained Events (Previously Apparent Life-Threatening Events). Rev Recent Clin Trials. 2017; 12(4):233-239. PMID: 28814262.
      View in: PubMed
    11. Arane K, Claudius I, Goldman RD. Brief resolved unexplained event: New diagnosis in infants. Can Fam Physician. 2017 Jan; 63(1):39-41. PMID: 28115439.
      View in: PubMed
    12. McCormick T, Chilstrom M, Childs J, McGarry R, Seif D, Mailhot T, Perera P, Kang T, Claudius I. Point-of-Care Ultrasound for the Detection of Traumatic Intracranial Hemorrhage in Infants: A Pilot Study. Pediatr Emerg Care. 2017 Jan; 33(1):18-20. PMID: 26308609.
      View in: PubMed
    13. Rose E, Claudius I, Tabatabai R, Kearl L, Behar S, Jhun P. The Flipped Classroom in Emergency Medicine Using Online Videos with Interpolated Questions. J Emerg Med. 2016 Sep; 51(3):284-291.e1. PMID: 27381954.
      View in: PubMed
    14. Helm T, Bir C, Chilstrom M, Claudius I. Ultrasound characteristics of bruises and their correlation to cutaneous appearance. Forensic Sci Int. 2016 Sep; 266:160-163. PMID: 27281053.
      View in: PubMed
    15. Donofrio JJ, Kaji AH, Claudius I, Chang TP, Santillanes G, Cicero MX, Srinivasan S, Perez-Rogers A, Gausche-Hill M. Development of a Pediatric Mass Casualty Triage Algorithm Validation Tool. Prehosp Emerg Care. 2016 May-Jun; 20(3):343-53. PMID: 26808000.
      View in: PubMed
    16. Tseng P, Berdahl C, Kearl YL, Behar S, Cooper J, Dollbaum R, Hardasmalani M, Hardiman K, Rose E, Santillanes G, Lam C, Claudius I. Does Right Lower Quadrant Abdominal Ultrasound Accurately Identify Perforation in Pediatric Acute Appendicitis? J Emerg Med. 2016 Apr; 50(4):638-42. PMID: 26810020.
      View in: PubMed
    17. Kearl YL, Claudius I, Behar S, Cooper J, Dollbaum R, Hardasmalani M, Hardiman K, Rose E, Santillanes G, Berdahl C. Accuracy of Magnetic Resonance Imaging and Ultrasound for Appendicitis in Diagnostic and Nondiagnostic Studies. Acad Emerg Med. 2016 Feb; 23(2):179-85. PMID: 26765503.
      View in: PubMed
    18. Claudius I, Kaji AH, Santillanes G, Cicero MX, Donofrio JJ, Gausche-Hill M, Srinivasan S, Chang TP. Accuracy, Efficiency, and Inappropriate Actions Using JumpSTART Triage in MCI Simulations. Prehosp Disaster Med. 2015 Oct; 30(5):457-60. PMID: 26323610.
      View in: PubMed
    19. Claudius I, Kaji A, Santillanes G, Cicero M, Donofrio JJ, Gausche-Hill M, Srinivasan S, Chang TP. Comparison of Computerized Patients versus Live Moulaged Actors for a Mass-casualty Drill. Prehosp Disaster Med. 2015 Oct; 30(5):438-42. PMID: 26265451.
      View in: PubMed
    20. Kearl YL, Yanger S, Montero S, Morelos-Howard E, Claudius I. Does Combined Use of the J-tip® and Buzzy® Device Decrease the Pain of Venipuncture in a Pediatric Population? J Pediatr Nurs. 2015 Nov-Dec; 30(6):829-33. PMID: 26228308.
      View in: PubMed
    21. Donofrio JJ, Horeczko T, Kaji A, Santillanes G, Claudius I. Most routine laboratory testing of pediatric psychiatric patients in the emergency department is not medically necessary. Health Aff (Millwood). 2015 May; 34(5):812-8. PMID: 25941283.
      View in: PubMed
    22. Lueck C, Kearl L, Lam CN, Claudius I. Do emergency pediatric psychiatric visits for danger to self or others correspond to times of school attendance? Am J Emerg Med. 2015 May; 33(5):682-4. PMID: 25797865.
      View in: PubMed
    23. Rose E, Claudius I. Pediatric critical care. Emerg Med Clin North Am. 2014 Nov; 32(4):939-54. PMID: 25441044.
      View in: PubMed
    24. Wood DB, Donofrio JJ, Santillanes G, Lam CN, Claudius I. Treating psychiatric emergencies in incarcerated minors in the emergency department: what is the cost and what is their disposition? Pediatr Emerg Care. 2014 Jun; 30(6):403-8. PMID: 24849276.
      View in: PubMed
    25. Claudius I, Donofrio JJ, Lam CN, Santillanes G. Impact of boarding pediatric psychiatric patients on a medical ward. Hosp Pediatr. 2014 May; 4(3):125-32. PMID: 24785553.
      View in: PubMed
    26. Santillanes G, Donofrio JJ, Lam CN, Claudius I. Is medical clearance necessary for pediatric psychiatric patients? J Emerg Med. 2014 Jun; 46(6):800-7. PMID: 24642041.
      View in: PubMed
    27. Claudius I, Mittal MK, Murray R, Condie T, Santillanes G. Should infants presenting with an apparent life-threatening event undergo evaluation for serious bacterial infections and respiratory pathogens? J Pediatr. 2014 May; 164(5):1231-1233.e1. PMID: 24484770.
      View in: PubMed
    28. Donofrio JJ, Santillanes G, McCammack BD, Lam CN, Menchine MD, Kaji AH, Claudius I. Clinical utility of screening laboratory tests in pediatric psychiatric patients presenting to the emergency department for medical clearance. Ann Emerg Med. 2014 Jun; 63(6):666-75.e3. PMID: 24219903.
      View in: PubMed
    29. Lemus J, Chacko M, Claudius I. Need for intervention in families presenting to the emergency department with multiple children as patients. West J Emerg Med. 2013 Sep; 14(5):525-8. PMID: 24106553; PMCID: PMC3789919.
    30. Kaji AH, Santillanes G, Claudius I, Mittal MK, Hayes K, Lee J, Gausche-Hill M. Do infants less than 12 months of age with an apparent life-threatening event need transport to a pediatric critical care center? Prehosp Emerg Care. 2013 Jul-Sep; 17(3):304-11. PMID: 23734987.
      View in: PubMed
    31. Levine M, Froberg B, Ruha AM, Burns-Ewald M, Yen M, Claudius I, Arthur AO, Tormoehlen L, Thomas SH. Assessing the toxicity and associated costs among pediatric patients admitted with unintentional poisonings of attention-deficit/hyperactivity disorder drugs in the United States. Clin Toxicol (Phila). 2013 Mar; 51(3):147-50. PMID: 23473458.
      View in: PubMed
    32. Tieder JS, Altman RL, Bonkowsky JL, Brand DA, Claudius I, Cunningham DJ, DeWolfe C, Percelay JM, Pitetti RD, Smith MB. Management of apparent life-threatening events in infants: a systematic review. J Pediatr. 2013 Jul; 163(1):94-9.e1-6. PMID: 23415612.
      View in: PubMed
    33. McCormick T, Levine M, Knox O, Claudius I. Ethanol ingestion in two infants under 2 months old: a previously unreported cause of ALTE. Pediatrics. 2013 Feb; 131(2):e604-7. PMID: 23319534.
      View in: PubMed
    34. Claudius I, Mahrer N, Nager AL, Gold JI. Occult psychosocial impairment in a pediatric emergency department population. Pediatr Emerg Care. 2012 Dec; 28(12):1334-7. PMID: 23187992.
      View in: PubMed
    35. Kaji AH, Claudius I, Santillanes G, Mittal MK, Hayes K, Lee J, Gausche-Hill M. Apparent life-threatening event: multicenter prospective cohort study to develop a clinical decision rule for admission to the hospital. Ann Emerg Med. 2013 Apr; 61(4):379-387.e4. PMID: 23026786.
      View in: PubMed
    36. Hooker R, Claudius I, Truong A. Tension gastrothorax in a child presenting with abdominal pain. West J Emerg Med. 2012 Feb; 13(1):117-8. PMID: 22461941; PMCID: PMC3298226.
    37. Marconi GP, Claudius I. Impact of an emergency department pharmacy on medication omission and delay. Pediatr Emerg Care. 2012 Jan; 28(1):30-3. PMID: 22193698.
      View in: PubMed
    38. Claudius I, Baraff LJ. Pediatric emergencies associated with fever. Emerg Med Clin North Am. 2010 Feb; 28(1):67-84, vii-viii. PMID: 19945599.
      View in: PubMed
    39. Neches R, Ryutov T, Kichkaylo T, Burke RV, Claudius I, Upperman JS. Design and evaluation of a disaster preparedness logistics tool. Am J Disaster Med. 2009 Nov-Dec; 4(6):309-20. PMID: 20104724.
      View in: PubMed
    40. Wren TA, Chen AY, Wang VJ, Claudius I, Skaggs DL. Prior treatment of fracture patients in a tertiary pediatric emergency department: informal referrals from other emergency departments. J Pediatr Orthop. 2009 Mar; 29(2):137-41. PMID: 19352238.
      View in: PubMed
    41. Claudius I, Behar S, Ballow S, Wood R, Stevenson K, Blake N, Upperman JS. Disaster drill exercise documentation and management: are we drilling to standard? J Emerg Nurs. 2008 Dec; 34(6):504-8. PMID: 19022071.
      View in: PubMed
    42. Ballow S, Behar S, Claudius I, Stevenson K, Neches R, Upperman JS. Hospital-based disaster preparedness for pediatric patients: how to design a realistic set of drill victims. Am J Disaster Med. 2008 May-Jun; 3(3):171-80. PMID: 18666514.
      View in: PubMed
    43. Claudius I, Keens T. Do all infants with apparent life-threatening events need to be admitted? Pediatrics. 2007 Apr; 119(4):679-83. PMID: 17403838.
      View in: PubMed
    44. Claudius I, Skaggs D, Nager A. Poststabilization care for pediatric fractures: a follow-up survey. Pediatr Emerg Care. 2006 Aug; 22(8):562-5. PMID: 16912623.
      View in: PubMed
    45. Choi J, Claudius I. Decrease in emergency department length of stay as a result of triage pulse oximetry. Pediatr Emerg Care. 2006 Jun; 22(6):412-4. PMID: 16801841.
      View in: PubMed
    46. Claudius I, Fluharty C, Boles R. The emergency department approach to newborn and childhood metabolic crisis. Emerg Med Clin North Am. 2005 Aug; 23(3):843-83, x. PMID: 15982549.
      View in: PubMed
    47. Claudius I, Nager AL. The utility of safety counseling in a pediatric emergency department. Pediatrics. 2005 Apr; 115(4):e423-7. PMID: 15805344.
      View in: PubMed
    48. Claudius I, Lan YT, Chang RK, Wetzel GT, Alejos J. Usefulness of B-type natriuretic peptide as a noninvasive screening tool for cardiac allograft pathology in pediatric heart transplant recipients. Am J Cardiol. 2003 Dec 01; 92(11):1368-70. PMID: 14636927.
      View in: PubMed
    49. Claudius I, Sachs C, Shamji T. Hypophosphatemia-induced heart failure. Am J Emerg Med. 2002 Jul; 20(4):369-70. PMID: 12098189.
      View in: PubMed