Original ResearchPublished 30 March 2026Experimental evaluation of infusion methods and administration speeds in confined spaces during urban search and rescue operationsTakayuki Irahara · Taigo Sakamoto · Teppei Minamida · Masamitsu Shirokawa · Akari Kusaka · Yoshiko Sakamoto · Naoki Yamaguchi · Eizo WatanabeFrontiers in Disaster and Emergency Medicinedoi 10.3389/femer.2026.1722986