Influence of clinical experience of the Macintosh laryngoscope on performance with the Pentax-AWS Airway Scope®, a rigid video-laryngoscope, by paramedics in Japan

Purpose We sought to establish the clinical utility of the Pentax-AWS Airway Scope® (AWS) when used by paramedics to intubate the trachea, and to evaluate whether their performance was influenced by previous clinical experience with the Macintosh laryngoscope (ML).