Division of Emergency Medicine Research Programs



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Infections are one of the most common reasons for children to seek emergency care. Our program aims to improve diagnosis, treatment, and outcomes of children with suspected infections that range from simple to life threatening. We work in collaboration with the pediatric sepsis program and Clinical Futures, a Center of Emphasis at CHOP Research Institute.


  • Fran Balamuth, MD, PhD MSCE
  • Laura Sartori, MD, MPH

Our trauma research program is robust and aims to both prevent traumatic injuries from happening and minimize the impact to injured children and adolescents, in collaboration with the Center for Injury Research and Prevention. Areas of research including traumatic brain injury (through the Minds Matter Concussion Program), solid organ injury, and passenger safety.


  • Kristy Arbogast, PhD
  • Daniel Corwin, MD, MSCE
  • Sage Myers, MD, MSCE

The Center for Violence Prevention supports and builds the evidence for trauma-informed hospital- and community-based programs. This includes intimate partner violence, bullying, assault injury, suicide, and gun safety. We also partner with the Department of Child and Adolescent Psychiatry on various federally funded grants and with Arcus to generate studies using a data repository of almost 30,000 adolescent behavioral health screens performed in the ED.


  • Ruth Abaya, MD, MPH
  • Jeremy Esposito, MD, MSEd
  • Joel Fein, MD, MPH
  • Nancy Kassam-Adams, PhD
  • Ashlee Murray, MD, MPH
  • Rachel Myers, PhD

Respiratory conditions such as asthma, bronchiolitis, and croup are leading reasons for hospitalization of children. Our respiratory research program has addressed these conditions through a variety of approaches: multicenter and single center clinical trials, descriptive research using multicenter registry data, and quality improvement projects aligned with CHOP's multidisciplinary respiratory population health groups. Key contributions include our evidence-based respiratory clinical pathways that are used worldwide, and our center's leadership role in the Respiratory Working Group of the federally funded Pediatric Emergency Care Research Network (PECARN).


  • Laura Sartori, MD, MPH
  • Joe Zorc, MD, MSCE
  • Rich Scarfone, MD

Our research team aims to improve the diagnosis and acute management of hematologic disorders with a focus on complications of sickle cell disease and thrombosis. We work in collaboration with the Division of Hematology and CHOP's Comprehensive Sickle Cell Center.


  • Angela Ellison, MD, MSc

Many adolescents utilize the ED as their primary source of healthcare; therefore, the ED is a critical location for providing crucial health services to teens. Our research in adolescent sexual and reproductive health aims to evaluate best practices around the evaluation and treatment of sexually transmitted infections as well as to improve access to much-needed services such as contraception. We work in collaboration with PolicyLab.


  • Cynthia Mollen, MD, MSCE

The Pediatric Emergency Department often serves as a point of care entry for impoverished and under-resourced families, with rates of unmet social need — such as food and housing insecurity, financial strain, and unsafe environments — as high as 30 to 40%. Our Social Emergency Medicine research program incorporates consideration of patients' social needs and larger structural context into the practice of emergency care, programmatic operations, and research. In collaboration with PolicyLab, the Center for Health Equity, and the Center for Violence Prevention, areas of study include: behavioral and mental health, lethal means reduction, interpersonal violence, civic engagement, social resource provision, and multi-lingual research methods.


  • Danielle Cullen, MD, MSHP
  • Joel Fein, MD, MPH
  • Ashlee Murray, MD, MPH
  • Rachel Myers, PhD
  • Lauren Vonholtz, MD, MPH

Our Point-of-Care Ultrasound (POCUS) program was one of the first pediatric emergency medicine POCUS programs in the country, and has been a leader in education, clinical implementation, and innovative research. Through strong collaboration with leaders in imaging-based specialties (cardiology and radiology) and other acute care disciplines (general emergency medicine, anesthesiology, critical care, neonatology), we have brought ultrasound "to the bedside," and POCUS is now a fundamental element of care in our hospital. Our pediatric emergency medicine providers use POCUS on a routine basis both for timely and focused diagnostic exams, as well as to help improve the safety and efficacy with which common emergency procedures are performed. We are constantly working to improve the education of providers in POCUS applications, and we believe in the importance of rigorous scientific research projects that will allow us to refine current POCUS applications as well as innovate novel applications that will help us to take care of our sickest children.


  • Aaron Chen, MD
  • Rachel Rempell, MD
  • Mike McWay, MD
  • Mary Kate Claiborne, MD
  • Ron Marchese, MD
  • Jacob Hemberger, MD

Our program partners with the Center for Healthcare Quality and Analytics (CHQA) and the Clinical Pathways Program to improve clinically important outcomes for children. Areas of focus include antimicrobial stewardship to reduce unnecessary care, improving acute pain management and reducing disparities in care, and improving patient-reported outcomes. Our program also partnered with CHQA to develop the Center for Diagnostic Excellence to improve timely and accurate diagnosis and develop a Clinical Reasoning curriculum to educate healthcare providers.


  • Naomi Hughes, MD
  • Brandon Ku, MD
  • Jane Lavelle, MD
  • Monica Prieto, MD, MSHD
  • Laura Sartori, MD, MPH
  • Kathy Shaw, MD, MSCE

With more than 350 rotating learners, the CHOP Emergency Department provides a powerful laboratory within which to conduct research in medical education. Med Ed scholars in the ED have published in a wide range of subjects ranging from learner wellbeing and trainee assessment to novel simulation techniques and innovative curricula that harness telemedicine technology. We collaborate with scholars from the CHOP Center for Leadership and Innovation in Medical Education (CLIME) and with Med Ed scholars across all departments of the hospital and the Perelman School of Medicine.


  • Eva Delgado, MD
  • Marleny Franco, MD
  • Megan Lavoie, MD
  • Jill Posner, MD, MSCE, MSEd
  • Mamata Senthil, MD, MSEd
  • Yen Tay, MD
  • Regina Toto, MD MSEd
  • Anna Weiss, MD, MSEd