• Global diffusion and maturation of Emergency Medicine as a distinct specialty, evidenced by cross-national development reports and policy/training adaptations across Europe, Asia, Africa, and the Americas [3], [11], [12], [20].

• Public health integration in ED care, emphasizing preventive services, violence screening, substance-use patterns, and care of vulnerable populations through ED‑based strategies and policy recommendations [2], [15], [10], [16], [1].

• Policy, financing, and access shaping ED utilization and management, including managed‑care conflicts and international collaboration in ED policy development across settings [4], [6], [1].

• Workforce development, safety, and disaster response in Emergency Medicine, including workforce studies, ambulance personnel experiences at disaster sites, and disaster medicine models [8], [9], [18], [17].