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Ilene A. Claudius, MD
Associate Professor of Clinical Emergency Medicine
Chief, Pediatric Emergency Medicine
Emergency Medicine
GNH 1011 1200 N. State Street Off Campus Los Angeles
+1 323 226 6667


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.


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. View in: PubMed

Helm T, Bir C, Chilstrom M, Claudius I. Ultrasound characteristics of bruises and their correlation to cutaneous appearance. Forensic Sci Int. 2016 Sep; 266:160-3. View in: PubMed

Donofrio JJ, Kaji AH, Claudius IA, 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. View in: PubMed

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. View in: PubMed

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 Jan 22. View in: PubMed

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. View in: PubMed

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. View in: PubMed

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. View in: PubMed

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. View in: PubMed

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 1; 34(5):812-8. View in: PubMed

Rose E, Claudius I. Pediatric critical care. Emerg Med Clin North Am. 2014 Nov; 32(4):939-54. View in: PubMed

Donofrio JJ, Santillanes G, McCammack BD, Lam CN, Menchine MD, Kaji AH, Claudius IA. 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):666-675. e3. View in: PubMed

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. View in: PubMed

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. View in: PubMed

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. View in: PubMed

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. View in: PubMed

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. View in: PubMed

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. View in: PubMed

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. View in: PubMed

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. View in: PubMed

Levine M, Froberg B, Ruha AM, Burns-Ewald M, Yen M, Claudius IA, 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. View in: PubMed

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. View in: PubMed

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. View in: PubMed

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. View in: PubMed

Marconi GP, Claudius I. Impact of an emergency department pharmacy on medication omission and delay. Pediatr Emerg Care. 2012 Jan; 28(1):30-3. View in: PubMed

Claudius I, Baraff LJ. Pediatric emergencies associated with fever. Emerg Med Clin North Am. 2010 Feb; 28(1):67-84, vii-viii. View in: PubMed

Neches R, Ryutov T, Kichkaylo T, Burke RV, Claudius IA, Upperman JS. Design and evaluation of a disaster preparedness logistics tool. Am J Disaster Med. 2009 Nov-Dec; 4(6):309-20. View in: PubMed

Wren TA, Chen AY, Wang VJ, Claudius IA, 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. View in: PubMed

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. View in: PubMed

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. View in: PubMed

Claudius I, Keens T. Do all infants with apparent life-threatening events need to be admitted? Pediatrics. 2007 Apr; 119(4):679-83. View in: PubMed

Claudius I, Skaggs D, Nager A. Poststabilization care for pediatric fractures: a follow-up survey. Pediatr Emerg Care. 2006 Aug; 22(8):562-5. View in: PubMed

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. View in: PubMed

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. View in: PubMed

Claudius IA, Nager AL. The utility of safety counseling in a pediatric emergency department. Pediatrics. 2005 Apr; 115(4):e423-7. View in: PubMed

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 1; 92(11):1368-70. View in: PubMed

Claudius I, Sachs C, Shamji T. Hypophosphatemia-induced heart failure. Am J Emerg Med. 2002 Jul; 20(4):369-70. View in: PubMed

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