Association between physician‐staffed ambulances and patient prognoses after out‐of‐hospital cardiac arrests with respect to shockable and non‐shockable rhythms: a retrospective observational study in a southern area of Shiga Prefecture Japan

Out‐of‐hospital cardiac arrests (OHCA) are a significant public health problem; to improve patients’ prognoses, various interventions, such as providing physician‐staffed ambulances, have been implemented. We aimed to examine whether physician‐staffed ambulances were associated with patients’ prognoses after OHCA with respect to first‐monitored rhythms