Received: 18 March 2022
Accepted: 22 June 2022
First Online: 8 July 2022
: This study met the UK National Institute for Health Research criteria for a service evaluation. All data used for this study are routinely collected as part of standard prehospital data collection; formal ethical approval was therefore waived. The study was approved and registered with the EAAA Department of Research, Audit, Innovation & Development (EAAA 2021/001) and the Magpas Air Ambulance Clinical Governance Group.
: Not applicable.
: The authors declare that they have no competing interests.