Official Resources

Evidence and official resources

Sources reviewed October 4, 2026

• Cai et al. Emergency Physician Employer Market Share and Concentration by Ownership Type, 2025

  Study of 3,998 U.S. hospital emergency departments, using 2024 ownership and 2021 visit volumes.

• Lu et al. Career Plans Among Graduating US Emergency Medicine Residents, 2026

  Survey of the 2023 graduating cohort; published January 27, 2026. Career intentions are not observed employment outcomes.

• WHO. Strengthening acute care systems saves lives, 2025

  Global emergency care policy and implementation context, May 20, 2025.

• GAO. Defense Health Care: Civilian Partnerships and Readiness, 2026

  GAO report 26-107677, June 4, 2026, examines existing military and civilian clinical training partnerships.

• U.S. Navy Physician Careers

  Official physician and Reserve pathway information. Confirm qualifications, commitments and current opportunities with an authorized recruiter.

• U.S. Department of Labor. USERRA Rights

  Official information about qualifying employment and reemployment rights associated with uniformed service.

• AIM Obstetric Emergency Readiness Resource Kit

  Established equipment, simulation, assessment and implementation resources for obstetric emergency readiness.

• AIM Obstetric Emergency Readiness Measurement Strategy, July 2025

  Measurement guidance for training, accessible patient materials, equipment readiness and improvement.

• FDA. Ultrasound Imaging

  Official information on ultrasound use, interpretation and safety. Technology claims require validation for their intended use.

• NASA. Health and Medical Care Standards

  Existing mission dependent requirements for medical capability, equipment, training and care.

• NASA. Identifying and Closing Medical Capability Gaps Beyond Low Earth Orbit, 2023

  Research on medical capability when communication, evacuation and resupply are constrained.

• Meyers et al. OMI ECG Findings and STEMI Criteria, 2021

  A retrospective diagnostic study involving emergency medicine and cardiology collaborators. Included as an example of clinical research, not as a treatment protocol.

• FEMA Independent Study

  Official emergency management learning and course information. Courses complement separate clinical and professional qualifications.