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Related Experiment Video

Updated: Jan 13, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
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Clinical Decision-Making Case: A Giant Headache.

Mark Portman1, Linda Herman1

  • 1Sutter Roseville Medical Center, Department of Emergency Medicine, Roseville, CA.

Journal of Education & Teaching in Emergency Medicine
|January 12, 2026
PubMed
Summary

This case study demonstrates that an educational simulation effectively improved emergency medicine residents' knowledge and skills in diagnosing and managing giant cell arteritis (GCA), a rare but serious condition.

Area of Science:

  • Emergency Medicine
  • Rheumatology
  • Clinical Education

Background:

  • Giant cell arteritis (GCA), a common systemic vasculitis, presents with headaches, visual disturbances, and constitutional symptoms.
  • Untreated GCA can lead to irreversible vision loss, highlighting the need for timely diagnosis and management.
  • GCA is rare, posing a challenge for emergency medicine residents to gain sufficient clinical experience during training.

Purpose of the Study:

  • To evaluate the effectiveness of a clinical decision-making case simulation in enhancing emergency medicine residents' knowledge and skills regarding GCA.
  • To improve residents' ability to diagnose and manage GCA, a critical differential for new-onset headaches in older adults.

Main Methods:

  • A clinical decision-making case based on ABEM standards was developed and administered to 18 PGY1-2 emergency medicine residents.

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  • Residents' performance was assessed on history taking, physical examination, diagnostic test interpretation, differential diagnosis, and management.
  • A post-survey evaluated the educational value and impact on residents' confidence.

    • Main Results:

    • All residents demonstrated proficiency in history taking, physical examination, and ordering appropriate diagnostic tests for GCA.
    • Residents reported a high educational value (4.7/5) and increased medical knowledge and comfort with the diagnostic process.
    • Performance outcomes indicated the case effectively prepared residents for managing this rare but high-morbidity condition.

    Conclusions:

    • The GCA educational case simulation is an effective tool for improving resident competence in diagnosing and managing this critical condition.
    • This simulation provides valuable exposure to a rare diagnosis that residents may not frequently encounter in clinical practice.
    • The case successfully enhanced resident knowledge, skills, and confidence, supporting its use in emergency medicine training.