Table 1.

Electronic database search terms combined with Boolean operator ‘AND’. FONA, front-of-neck access.

Terms for prehospital
Prehospital OR ‘pre-hospital’ OR ‘non hospital’ OR ‘non-hospital’ OR ‘out of hospital’
Terms for FONA
‘Surgical airway’ OR cricothyroidotomy OR cricotomy OR cricotracheotomy OR ‘FONA’ OR tracheotomy OR tracheostomy OR intercricothyrotomy OR ‘front of neck access’
Terms for emergency
Emergency OR emergencies