Brief Research ReportPublished 11 February 2026Growing complexity in the emergency department: evidence from the resuscitation room (2012–2024)Jaume Ortet · Maria Delgado-Ortet · Cecilia Llobet · Maria Viladrosa · Silvia Gros · Oriol YugueroFrontiers in Disaster and Emergency Medicinedoi 10.3389/femer.2026.1759411