aManchester Royal Infirmary Department of Emergency Medicine

bDivision of Cardiovascular Sciences, The University of Manchester, Manchester

cEmergency Department, Cambridge University Hospitals NHS Foundation Trust

dUniversity Division of Anaesthesia, Cambridge University, Cambridge

eCentre for Disability Research, Lancaster

fUniversity of Central Lancashire (UCLAN) School of Nursing, Preston

gEmergency Department, Manchester University NHS Foundation Trust

hThe University of Manchester Humanitarian and Conflict Response Institute, Manchester, UK

Received 24 December 2021 Accepted 4 January 2022

*Dr. Thomas Shanahan and Dr. Liam Barrett contributed equally to the writing of this article.

Correspondence to Liam Barrett, MBChB, BSc (Hons), PG Cert, Emergency Department, Cambridge University Hospitals NHS Foundation Trust, Hills Road, Cambridge CB2 0QQ, Cambridgeshire, UK, Tel: +44 1223 217889; e-mail: [email protected]