Search the Health Library
Get the facts on diseases, conditions, tests and procedures.
I Want To...
Find a Doctor
Find a doctor at The Johns Hopkins Hospital, Johns Hopkins Bayview Medical Center or Johns Hopkins Community Physicians.
I Want To...
Find Research Faculty
Enter the last name, specialty or keyword for your search below.
|Resident Research||Faculty Research|
Department of Emergency Medicine
Arjun Chanmugam, MD, MPH
Joshua M. Epstein, PhD
Yu-Hsiang Hsieh, PhD, MSc
Edbert Hsu, MD, MPH
J Lee Jenkins, MD, MSc
Gabor Kelen, MD
Thomas Kirsch, MD, MPH
Scott Levin, PhD
Frederick Levy, MD, JD
Michael Millin, MD, MPH
Julius Pham, MD
Richard Rothman, MD, PhD
James Scheulen, MBA, PA-C
Nelson Tang, MD
Alexander Vu, DO, MPH
Sam Yang, MD
- Emergency Medical Systems
- Clinical Management
- Chanmugam A, Triplett P, Kelen G, (Eds) Emergency Psychiatry, Cambridge University Press (in press).
- Pham J, Patel R, Millin M, Kirsch T, Chanmugam A. The effects of Ambulance Diversion: A Comprehensive Review Acad Emerg Med 13(11): 1220-1227, 2006.
- Generative Social Science: Studies in Agent-Based Computational Modeling. Princeton: Princeton University Press, 2006.
- “Containing a Large Bioterrorist Smallpox Attack: A Computer Simulation.” With Longini I, Halloran M, Nizam, A, Yang Y, Xu S, Burke D, Cummings D. International Journal of Infectious Diseases. 2007; 11(2): 98-108.
- “Controlling Pandemic Influenza: The Role of International Travel Restrictions.” With Bobashev G, Goedecke D, Morris R, Wagner D, Yu F. Public Library of Science One Journal. 2007; 2(5): e401.
- “Coupled Contagion Dynamics of Fear and Disease: Mathematical and Computational Explorations.” With Hammond R, Parker J, Cummings, D. Public Library of Science One Journal. 2008; 3(12): e3955.
- “Modelling to contain pandemics.” Nature. 2009; 460:687.
- “Economic Cost and Health Care Workforce Effects of School Closures in the U.S.” With Lempel H, Hammond R. PLoS Currents: Influenza, 2009.
- Infectious Diseases Epidemiology (Trends, Risk Factors, Prevention, and Outcomes) in ED Settings
- Analytical Methodology
- Rothman RE, Hsieh Y-H, Yang S. Communicable respiratory threats (TB, Influenza, SARS and other aerosolized infections) in the ED. Emergency Medicine Clinics of North America 2006 24: 989-1017.
- Hsieh Y-H and Rothman RE. Analytical Shortfalls in Multivariate Regression Analysis. Chest 2007 131: 1613-4.
- Greenough PG, Lappi MD, Hsu EB, Fink S, Hsieh Y-H, Vu A, Heaton C, Kirsch TD. Burden of Disease and Health Status among Hurricane Katrina Displaced Persons in Shelters: A Population-based Cluster Sample. Ann Emerg Med 2007 Jun 19; [Epub ahead of print].
- Stanton VA, Hsieh Y-H, Camargo Jr. CA, Edlow JA, Lovett P, Goldstein JN, Abbuhl S, Lin M, Chanmugam A, Rothman RE, Newman-Toker DE. Diagnosing Dizziness in the Emergency Department – Physicians May Rely Too Heavily on Symptom Quality. Results of a Multicenter, Quantitative Survey. Mayo Clinic Proceedings 2007 (in press).
- Co-Principal Investigator: “Emergency Department Strategy for HIV/STI Counseling and Testing” Johns Hopkins Center for AIDS Research (p30AI42855-05): $50,000.
- Co-Investigator: “Routine Rapid HIV Testing in the ED.” CDC/MD DHMH: $300,000.
- Co-Investigator: "National Center for the Study of Preparedness and Catastrophic Event Response". USDHS (N00014-0610991): $15,000,000.
- Disaster Preparedness
- Disaster Education
- Hsu EB, Thomas TL, Bass EB, Whyne D, Kelen GD, Green GB. "Healthcare Worker Competencies for Disaster Training" BMC Medical Education. 2006 6(19).
- Hsu EB, Casani JA, Romanosky A, Millin MG, Singleton CM, Donohue J, Feroli ER, Rubin M, Subbarao I, Whyne DM, Snodgrass TD, Kelen GD. "Are Regional Hospital Pharmacies Prepared for Public Health Emergencies?" Biosecurity and Bioterrorism. 2006;4(3):237-43.
- Hospital disaster preparedness metrics
- Surveillance during disasters
- Mass casualty triage
- Jenkins JL, O’Connor RE, Cone DC. Differentiating large-scale surge versus daily surge. Academic Emergency Medicine. 2006. 13(11): 1169-72.
- Jenkins JL, Fredericksen K, Stone R, Tang N. Strategies to improve sleep during extended search and rescue operations. Prehospital Emergency Care. 2007. 11(2): 230-3.
- Jenkins JL, McCarthy M, Thomas T, Green G, Sauer L, Hsu EB. Mass Casualty Injury Triage: Evidence for Change. Prehospital and Disaster Medicine.2008. 23(1).
- Co- Investigator: "National Center for the Study of Preparedness and Catastrophic Event Response". USDHS (N00014-06-1-0991): $15,000,000.
- Principal Investigator: “Hospital Preparedness Metrics: NIH Loan Repayment Grant.” NIH: $70,000.
- HIV Epidemiology, testing, risk to health care providers
- Health Care Services
- Disaster Response
- Kelen GD, Catlett CL. Violence in the Health Care Setting. JAMA 304;(22):2530-1, 2010
- Kelen GD. Emergency Department HIV Testing. Reflections forward. Ann Emerg Med 58:S168-S172, 2011
- Kelen GD, McCarthy ML, Kraus CK, Ding R, Hsu EB, Li G, Shahan JB, Green GB. Creation of surge capacity by early discharge of hospitalized patients at low risk for untoward events. (Lead Article) Dis Med Publ Health Prep 3(Suppl 1):S10-S16, 2009
- Scheulen JJ, Thanner MH, Hsu EB, Latimer CK, Brown J, Kelen GD. Electronic Mass Casualty Assessment and Planning Scenarios (EMCAPS): Development and application of computer modeling to selected national planning scenarios for high consequence events. Ann Emerg Med 53(2):226-232, 2009
- 5. Kelen GD, McCarthy ML. Developing the science of health care emergency preparedness and response. Dis Med Publ Health Prep 3(Suppl 1):S2-S3, 2009
2010-2012 Co-Investigator: Kentucky critical Infrastructure Protection Institute Program Management Support DHS (#108291) (PI Ed Hsu)
2010-2013 Principal Investigator: National Center for the Study of Preparedness and Catastrophic Event Response@ (PACER). United States Department of Homeland Security (N00014-06-1-0991): $6,500,000
2010-2013 PI. Principal Investigator. Surge Capacity Metrics, DHS-PACER (N00014-06-1-0991): $489,295
- Disaster Preparedness
- International Emergency Medicine
- Greenough PG, Lappi MD, Hsu EB, Fink S, Hsieh Y-H, Vu A, Heaton C, Kirsch TD. Burden of Disease and Health Status among Hurricane Katrina Displaced Persons in Shelters: A Population-based Cluster Sample. Ann Emerg Med (in press).
- Millin M, Jenkins L, Kirsch TD: A Comparative Analysis of Two External Healthcare Disaster Responses following Hurricane Katrina. Prehospital Emergency Care 2006;10:451–456.
- Handler JA, Gillam M, Kirsch TD, Feied CF. Metrics in the Science of Surge. Acad Emerg Med 2006, 13(11): 1173-1178.
Principal Investigator: ‘Surge Capacity Networks ($1,005,780), PACER, DHS (USDHS (N00014-06-0991).
- Systems engineering in health care
- Medical decision making
- Human factors engineering in health care
- Emergency department crowding and patient outcomes
- Levin S, Harley E, Fackler J, Lehmann C, Custer J, France D, Zeger S. Real time forecasting of pediatric intensive care unit length of stay using computerized provider orders. Crit Care Med. (In Press), 2012.
- Levin S, Dittus R, Aronsky D, Weinger M. Evaluating the effects of increasing surgical volume on emergency department patient access. BMJ Qual Saf. 20:146-152, 2011.
- Levin S, Dittus R, Aronsky D, Weinger M, Han J, Boord J, France D. Optimizing cardiology capacity to reduce emergency department boarding: A systems engineering approach. Am Heart J. 156(6):1202-1209, 2008
- Principal Investigator: “Forecasting Demand for Pediatric Critical Care”. National Science Foundation (NSF CMMI 0927203): $319,335
- Principal Investigator: “Computer Simulation of Acute Coronary Syndrome Patients in the Emergency Department.” National Institutes of Health (NIH R21HL09322-01A2): $407,742
- Principal Investigator: “A Triage Tool for Accurate Disposition of Emergency Patients” National Center for the Study of Preparedness and Catastrophic Event Response, US Department of Homeland Security (USDHS N00014-06-1-0991): $488,728
- Medical-Legal Aspects of Patient Safety
- Medical Malpractice/Tort Reform
- Health Law and Public Policy
- Levy, F ; Lawler, J ; The Potential Impact of Genetic Sequencing on the American Health Insurance System; Vol 6, Journal of Health Care, Law and Policy, 2003.
- Levy, F, Tort Reform: Evidence", Politics and Policy, Legal Medicine Perspectives, Vol. 12,, July, 2003.
- Levy, F; Kelen G: Resuscitation Attempts in Asystolic Patients: The legal tail wagging the dog. The Journal of Emergency Medicine, 30: Feb., 2006.
Michael Millin, MD, MPH: Assistant Professor of Emergency Medicine
- Emergency medical services (EMS) system development.
- Regionalization of emergency care.
- Emergency Preparedness.
- Millin MG, Brooks CS, Travers A, Megargel RE, et al. Emergency Medical Services Management of ST Elevation Myocardial Infarction. For the Standards and Practice Committee with the National Assocation of EMS Physicians. Prehospital Emergency Care. 2008; 12 (3): 395-403
- Brown LH, Hubble MW, Cone DC, Millin MG, et al. Paramedic determinations of medical necessity: a meta-analysis. Prehospital Emergency Care. 2009; 13 (4): 516-27.
- Catlett C, Jenkins JL, Millin MG. EMS Role in Disaster Management - a resource document for the NAEMSP position statement. Prehospital Emergency Care. In Press.
- Millin MG, Brown LH, Craven CK, Hawkins, et al. The evolution of the literature identifying the physician’s role in the leadership, clinical development, and practice of the subspecialty of emergency medical services. Prehospital Disaster Management. In Press
Co-Investigator. Longitudinal Emergency Medical Technician Attributes and Demographics Study (LEADS) committee. National Registry of Emergency Medical Technicians.
Julius Pham, MD: Assistant Professor Emergency Medicine and Anaesthesiology, Critical Care Medicine
- ED Patient Safety & Quality
- ICU Patient Safety & Quality
- Pham JC, Patel R, Millin MG, Kirsch TD, Chanmugam A. The effects of ambulance diversion: a comprehensive review. Acad Emerg Med. 2006 Nov;13(11):1220-7.
- Winters BD, Pham J, Pronovost PJ. Rapid response teams--walk, don't run. JAMA. 2006 Oct 4;296(13):1645-7.
- Rapid Detection of Emerging Infections
- Infectious Disease Surveillance
- Clinical Decision Guidelines
- Rothman RE, Quianzon C, and Kelen GD. Narrowing in on JCAHO Recommendations for Community Acquired Pneuomonia. Acad Emerg Med. 2006 13(7):740-5.
- Rothman RE, Irvin C, Hirshon JM, and Moran G. Respiratory Hygiene in the ED, Annals of Emergency Med 2006; 48(5):570-82.
- Co-Investigator: ‘Regional Center Grant for Excellence in Emerging Infectious Disease and Biothreats’. NIAID (AI-02-031): $20,000,000.
- Principal Investigator: ‘Routine Rapid HIV Testing in the ED.’ CDC/MD DHMH: $300,000.
James Scheulen, MBA, PA: Senior Research Associate
- ED operations
- Emergency Medical Services (EMS)
- Critical Care Transportation Medicine
- Preparedness and Response Capabilities
- Scheulen, J. and Munster, A.M.: FIELD MANAGEMENT OF BURN PATIENTS, Paramedics International, April/May 1979
- Munster, A.M., Scheulen, J. and Petr, L.: HIGH VOLTAGE ELECTRICAL INJURIES, Maryland State Medical J., 29 (11) 30-33, Nov. 1980
- Leonard, L., Scheulen, J. and Munster, A.M.: CHEMICAL BURNS: THE EFFECT OF PROMPT FIRST AID, J Trauma, 225:420-423, May 1982
- Scheulen, J. and Munster, A.M.: THE LIGHTNING INJURY, J Burn Care and Rehabilitation, March 1983
- Scheulen, J. and Munster, A.M.: THE PARKLAND FORMULA IN PATIENTS WITH BURNS AND INHALATION INJURY, J Trauma, 22:869-871, Oct 1982
- Scheulen, J. and Munster, A.M.: CLINITRON AIR FLUIDIZED SUPPORT; AN ADJUNCT TO BURN CARE, J Burn Care and Rehabilitation, 4 (4):271-275, July 1983
- Scheulen, J. and Munster, A.M.: IMPROVED CARE OF POSTERIOR BURNS AND DONOR SITES USING AIR FLUIDIZED SUPPORT, J Burn Care and Rehabilitation, 7 (1):40-41, Jan/Feb 1986
- Scheulen, J.: THE EMERGENCY MANAGEMENT OF THERMAL INJURIES, PA Consultations, March 1986
- O'Reilly, T, Spence, R., Taylor, R. and Scheulen, J.: LASER DOPPLER FLOWMETRY EVALUATION OF BURN WOUND DEPTH, J Burn Care and Rehabilitation, 10 (1): 1-6, Jan/Feb 1989
- Pronovost, P., Davis, R., Cunningham, T., Paine, L., Scheulen, J. and Morlock, L.: USING ON-LINE AND OFF-LINE CHANGE MODELS TO IMPROVE ICU ACCESS AND REVENUES. Joint Commission Journal on Quality Improvement, 26 (1):5-17, Jan 2000
- Scheulen, J., Li G. and Kelen G.: IMPACT OF AMBULANCE DIVERSION POLICIES IN URBAN, SUBURBAN AND RURAL AREAS OF CENTRAL MARYLAND, Acad Emerg Med, 8 (1):36-40, Jan 2001
- Kelen, G., Scheulen, J. and Hill, P.: EFFECT OF AN ED MANAGED ACUTE CARE UNIT ON ED OVERCROWDING AND EMS DIVERSION, Acad Emerg Med 8 (11):1095-1100, Nov 2001
- Kohri, K., Latimer, C., Catlett, C.L., Scheulen, J. and Kelen, G.: THE JOHNS HOPKINS OFFICE OF CRITICAL EVENT PREPAREDNESS AND RESPONSE, Johns Hopkins APL Technical Digest, Volume 24 (4): 321-326, 2003.
- Hsu, E., Dey, C., Scheulen, J., Gledsoe, G. and VanRooyen, M.: DEVELOPMENT OF EMERGENCY MEDICINE ADMINISTRATION IN THE PEOPLE’S REPUBLIC OF CHINA, J Emergency Medicine, Volume 28, (2): 231-236, 2005.
- McManus, J., Huebner, K. and Scheulen, J.: THE SCIENCE OF SURGE: DETECTION AND SITUATIONAL AWARENESS, J. American Emergency Medicine, Volume 13: 1179-1180, Nov 2006.
- Kelen, G., Kraus C., McCarthy, M., Bass, E., Hsu, E., Li, G., Scheulen, J., et al.: REVERSE TRIAGE: INPATIENT DISPOSITION CLASSIFICATION FOR THE CREATION OF HOSPIAL SURGE CAPACITY, The Lancet, Volume 368: 1984-1990, Dec 06
- Kelen G., Scheulen, J.: COMMENTARY: EMERGENCY DEPARTMENT CROWDING AS AN ETHICAL ISSUE, J. American Emergency Medicine, Volume 14 (8): 751-754, August 2007.
- McCarthy, M., Shore, A., Li, G., New, J., Scheulen, J., Tang, N., Collela, R., Kelen, G.: LIKELIHOOD OF REROUTE DURING AMBULANCE DIVERSION PERIODS IN CENTRAL MARYLAND, Prehospital Emergency Care, Volume 11 (4) 408 – 415, October 2007.
- Tang, N., Kraus, C., Brill, J., Shahan, J., Ness, C., Scheulen, J.. HOSPITAL-BASED EVENT MEDICAL SUPPORT FOR THE BALTIMORE MARATHON, 2002-2005, Prehospital Emergency Care, Volume 12 (3), 320-326, July 2008.
- Scheulen, James J., Meridith H. Thanner, Edbert B. Hsu, Christian K. Latimer, Jeffrey Brown, and Gabor D. Kelen. 2009. ELECTRONIC MASS CASUALTY ASSESSMENT AND PLANNING SCENARIOS (EMCAPS): DEVELOPMENT AND APPLICATION OF COMPUTER MODELING TO SELECTED NATIONAL PLANNING SCENARIOS FOR HIGH CONSEQUENCE EVENTS. Annals of Emergency Medicine, Volume 53 (2):226-232, February 2009.
- Kelen, G., McCarthy, M., Kraus, C., Ding, R., Hsu, E., Li, G., Shahan, J., Scheulen, J., and Green, G.. CREATION OF SURGE CAPACITY BY EARLY DISCHARGE OF HOSPITALIZED PATIENTS AT LOW RISK FOR UNTOWARD EVENTS, Disaster Medicine and Public Health Preparedness, Volume 3/Suppl. 1, S1-S7, April 2009.
- Latimer, C., Brown, J., Gion, T., Wong, C., Scheulen, J. , Kirsch, T. ,Whyne, D., Links, J. M. , Millin, M., Schaefer, J., and Wadworth, S. ELECTRONIC MASS CASUALTY ASSESSMENT AND PLANNING SCENARIOS, Johns Hopkins APL Technical Digest, Volume 28, (3), 2010.
- Kue, R., Scheulen, J., Ness, C., and Brown, P. ADVERSE CLINICAL EVENTS DURING INTRA HOSPITAL TRANSPORT USING A SPECIALIZED TRANSPORT TEAM: A PRELIMINARY REPORT. American Journal of Critical Care, 2011 March 20 (2): 153-61.
- Thanner, M., Links, J., Meltzer, M., Scheulen, J., Kelen, G., UNDERSTANDING ESTIMATED WORKER ABSENTEEISM RATES DURING AN INFLUENZA PANDEMIC, American Journal of Disaster Medicine, 2011 Mar-April; 6 (2): 89-105.
- McCarthy, M., Ding, R., Zeger, S., Agada, N., Bessman, S., Kelen, G., Scheulen, J. and Bessman, E., A RANDOMIZED CONTROLLED TRIAL OF THE IMPACT OF SERVICE DELIVERY INFORMATION ON PATIENT SATISFACTION IN AN ED FAST TRACK, Academic Emergency Medicine, 2011 July; 18 (7): 674-85.
- Hamrock, E., Paige, K., Parks, J., Scheulen, J., Levin, S.: Relieving Crowing: How Improving Emergency Department Flow Evolves Over 24 Hours, Journal of Healthcare Management, 2011 September, submitted.
- Catlett, C., Kirsch, T., Scheulen, J., Cole, G., Kelen, G.: Maximizing Utilitiy of a Deployable Medical Team from an Academic Medical Center to a Disaster, World Medical & Health Policy, 2011 September, submitted.
- Principal Investigator: Development of scenario based, critical event planning tool: HRSA/DHMH Special Project Grant 2005
- Principal Investigator: Development of scaleable, scenario based, critical event planning tool (EMCAPS): HRSA/DHMH Special Project Grant 2006
- Tactical Emergency Medicine
- Mass Gathering Event Medical Support
- Davis JD and Tang N. Efficacy of a federal law enforcement tactical medicine program following a catastrophic natural disaster: The DHS ICE SRT response to Hurricane Katrina. Prehosp Emerg Care. 2006; 10(2): 173-179.
- Jenkins JL, Fredericksen K, Stone R, Tang N. Strategies to improve sleep during extended search and rescue operations. Prehosp Emerg Care (in press).
- Tang N. VIP Protection and Care, in Tactical Emergency Medicine, Schwartz R, McManus J, Swienton R (eds.). Philadelphia, Lippincott Williams & Wilkins, (in press).
- International Humanitarian Relief
- International Health Development
- International Emergency Medicine Development
- Vu A, Pant A. Emergency Medical Health Care. In: G Burnham, Sr. Ed. Public Health Guide for Emergencies, 2nd Edition (in press).
- Greenough PG, Lappi M, Hsu E, Fink S, Hsieh Y-H, Vu A, Heaton C, Kirsch T. Burden of Disease and Health Status among Hurricane Katrina Displaced Persons in Shelters: A Population-based Cluster Sample. Annals of Emergency Medicine (in press).
Principal Investigator: The MET Program: Mobilizing, Equipping and Training Youth for Healthy Behavior Change in Mozambique, Uganda, Kenya, and Ethiopia". Samaritan’s Purse International Relief/ USAID (GPO-A-00-05-00012-00: $872,422 ).
Emerging molecular/nanotechnology based diagnostic platform for rapid detection of infectious disease
- Park S, Zhang Y, Wang TH, Yang S. Continuous dielectrophoretic bacterial separation and concentration from physiological media of high conductivity. Lab on a Chip 2011 Sep 7;11(17):2893-900.
- Park S, Zhang Y, Lin S, Wang TH, Yang S. Advances in microfluidic PCR for point-of-care infectious disease diagnostics. Biotechnology Advances 2011 Nov;29(6):830-9.
- Lin S, Yang S. Molecular methods for pathogen detection in blood. Lancet 2010; 375:178-9
- Won H, Rothman R, Ramachandran P, Hsieh YH, Kecojevic A, Carroll KC, Aird D, Gaydos C, Yang S. Rapid identification of bacterial pathogens in positive blood culture bottles by use of a broad-based PCR assay coupled with high-resolution melt analysis. J Clin Microbiol. 2010; 48:3410-3.
Recent GrantsPrincipal Investigator: “Development of an Electrokinetic based Lab Chip for Rapid Diagnosis of Pediatric Sepsis”. The Hartwell Foundation Individual Biomedical Research Award, $300,000.
Co-Principal Investigator: “Integrated Single Molecule Color Coding System for Multiplexed Detection of Pathogens”. NSF, $586,303.
Co-Investigator: “MARCE 2 - Diagnostics, Development, Support and Discovery”. NIAID, $1,500,000.
The Johns Hopkins Department of Emergency Medicine Residency Program