Hidetaka Onda is a lecturer in the Department of Disaster and Emergency Medicine, Kochi Medical School, Kochi University, Japan. He has clinical and academic experience in emergency medicine, critical care, and acute neurological care, including previous work in a tertiary emergency and critical care center. His research interests include carbon monoxide poisoning, neurocritical care, stroke, traumatic injury, post-cardiac arrest care, and prehospital and emergency medical systems. He is actively involved in clinical research focusing on prognostic assessment, acute-phase management, and outcomes in critically ill and emergency patients.