Table 1 Key search terms

Emergency Ambulance Services & Out-of-hospital setting

paramedic* OR ambulance* OR emergency medical service* OR EMS OR emergency medical technician OR EMT OR first responder OR pre-hospital practitioner OR pre hospital OR pre-hospital OR out of hospital OR out-of-hospital

Family & Bystanders

Famil* OR Caregiver* OR Significant Other OR Parent OR Spouse OR Next of Kin OR NOK OR Witness* OR Bystander* OR whanau

Family/Bystander Experience

Experience* OR perspective*