Table 1 Keyword lists for helicopter emergency medical service dispatch in Gifu prefecture

1st line: If the tele-operator hears the following words, they should order Doctor-Heli immediately

1) Keywords that suggest severe trauma

 Motor vehicles accident: locked in

 Motor bicycle accident

 Pedestrian/bicycle traffic accident (hit by a motor vehicle)

 Fall injury (higher than the 3rd floor)

 Traumatic asphyxiation to being buried

 Mass casualty incident

2) Keywords that suggest a cardiovascular event or a respiratory disorder

 Sudden onset of:

 Chest pain

 Chest and back pain

 Dyspnea

 (Patients are normally over 40 years old)

3) Scenarios that commonly suggest a cardiopulmonary arrest

 Collapse

 Unconsciousness

 Respiratory arrest

 Pulseless

 Convulsions

2nd line: If a dispatcher recognises the following status order they should call Doctor-Heli immediately/if a tele-operator recognises the following emergency words, they should also order Doctor-Heli immediately

 1: Consciousness disorder, dyspnea, pallor due to bleeding

 2: Shock status

 3: Chest pain/chest and back pain

 4: Consciousness disorder

 5: Status epilepticus hemi-paralysis

 6: Locked in somewhere for more than 20 min

 7: Fall from the upper level of a building

 8: Hit by a motor vehicle going at a speed of over 30 km/h

 9: Severe burn

 10: Electric injury (including lighting injury)

 11: Mass casualty incident

 12: Any other stays life threating situations