Table 2 Event operational descriptors

2.1.

Time points

Continuous

For each mission

2.1.1. Call received at EMCC

hh:mm

When the alarm call is answered at the initial EMCC

2.1.2. Time of system activation (dispatch time)

hh:mm

When EMCC dispatch p-EMS

2.1.3. Unit en route/take-off time

hh:mm

When vehicle starts to move (car or rotor wing/fixed wing)

2.1.4. Unit arrival on scene

hh:mm

When vehicle stops at a location as close as possible to the patient

2.1.5. Time of first physician contact with patient

hh:mm

When pre-hospital physician arrives at patient site

2.1.6. Time when patient leaves scene

hh:mm

When patient is transferred from the original location or time of death if dead on scene

2.1.7. Time when patient arrives at hospital (or alternative site if not delivered to hospital)

hh:mm

When the patient is formally transferred to receiving medical facility personnel

2.2.

Date of event

Continuous

dd.mm.yyyy

The date the unit was dispatched

For each mission

2.3.

Type of mission/dispatch

Categorical

Check box

For each mission

2.3.1. Primary medical mission

Includes all primary missions other than trauma (medical, surgical, paediatric, obstetric)

2.3.2. Primary trauma mission

Includes all primary trauma missions

2.3.3. Inter-hospital transfer mission

Inter-hospital or inter-facility mission

2.3.4. SAR mission

2.3.5. Major incident response

2.3.6. Contingency

2.3.7. Rendezvous with ambulance

2.3.8. Consultation

2.3.9. Single patient

Only one patient treated by p-EMS during the mission

2.3.10. Multiple patients

More than one patient treated by p-EMS during the mission

2.3.11. Other

2.4.

Dispatch criteria

Categorical

Check box

Medical reason for dispatch

For each mission

2.4.1. Medical

2.4.2. Trauma

2.4.3. Neurologic

2.4.4. Obstetric

2.4.5. Burn

2.4.6. Other

2.5.

Activation type

Categorical

Bullet list

For each mission

2.5.1. Primary mission

2.5.1.1. Initiated by dispatch centre

2.5.1.2. Requested dispatch from other units

2.5.1.3. Other

Categorical

2.5.2. Inter-hospital transfer mission

2.5.2.1. Physician-staffed unit used because of level of treatment during transport

2.5.2.2. Physician-staffed unit used because of speed of transport

2.5.2.3. Both above

2.5.2.4. Other

2.6.

Mode of transportation to scene

Categorical

Bullet list

Main type of vehicle used to get p-EMS to the scene

For each mission

2.6.1. Rapid response car

Regular car, no stretcher

2.6.2. Regular ambulance

Car with stretcher

2.6.3. Rotor Wing

2.6.4. Fixed Wing

2.6.5. Boat staffed with physician

2.6.6. Other

2.7.

Mode of transportation from scene

Categorical

Bullet list

Main type of vehicle used to transport the patient to definitive care

For each mission

2.7.1. Rapid response car

2.7.2. Regular ambulance staffed with physician

Physician is part of the ambulance crew on a regular basis

2.7.3. Regular ambulance with physician attending

Ambulance crew normally without a physician, physician is attending because of patient need

2.7.4. Patient transported in ambulance without physician

2.7.5. Rotor wing

2.7.6. Fixed wing

2.7.7. Boat staffed with physician

2.7.8. Patient not transported due to no indication

2.7.9. Patient not transported due to patient refusal

2.7.10. Patient dead and not transported

2.7.11. Other

2.8.

Result of dispatch

Bullet list

Dispatch means unit alarmed for mission or request/advice/supervision

For each mission

Categorical

2.8.1. Patient attended

P-EMS attended the patient

2.8.1.1. Transported with physician escort

2.8.1.2. Transported without physician escort

2.8.1.3. Discharged on-scene

Patient not transported

2.8.1.4. Pronounced dead on scene

Categorical

2.8.2. Patient not attended

P-EMS did not attend the patient. The main reason why mission is aborted or refused

For each mission

2.8.2.1. Weather

2.8.2.2. Technical reasons

2.8.2.3. Other mission (concurrency)

2.8.2.4. Alternative tasking

2.8.2.5. Mission refused due to duty time limitations

2.8.2.6. Fatigue

2.8.2.7. Not needed

2.8.2.8. No time benefit

2.8.2.9. Patient has left scene (before arrival of unit)

2.8.2.10. Mission taken over by another p-EMS

2.9.

Trauma mechanism

Categorical

Bullet list

The Utstein Trauma template. The mechanism (or external factor) that caused the injury event

For each mission

2.9.1. Not trauma

2.9.2. Blunt trauma

2.9.2.1. Traffic - motor vehicle injury

Car, pickup, truck, van, heavy transport vehicle, bus

2.9.2.2. Traffic - motorbike

2.9.2.3. Traffic - bicycle

2.9.2.4. Traffic - pedestrian

2.9.2.5. Traffic - other

Ship, airplane, railway train

2.9.2.6. Fall from same level

Low energy fall. From the persons height or less

2.9.2.7. Fall from higher level

High energy fall. From more than the persons height

2.9.2.8. Struck or hit by blunt object

Tree, tree branch, bar, stone, human body part, metal, other

2.9.2.9. Explosives

Blast injuries

2.9.2.10 Other

2.9.2.11. Unknown

2.9.3. Penetrating trauma

2.9.3.1. Stabbed by pointed or sharp object

Knife, sword, dagger or other

2.9.3.2. Gun

By handgun, shotgun, rifle, or another firearm of any dimension

2.9.3.3. Other

2.9.4. Unknown

Unknown trauma mechanism

2.10.

Specialty of the attending physician

Categorical

Check box

The pre-hospital physician attending patient on scene

For each mission

2.10.1. Anaesthesiology

2.10.2. Emergency medicine

2.10.3. Intensive care

2.10.4. Surgery

2.10.5. Internal medicine

2.10.6. Other

2.11.

NACA score

Categorical

Bullet list

NACA 0–7

For each mission

2.11.1. NACA 0

2.11.2. NACA 1

2.11.3. NACA 2

2.11.4. NACA 3

2.11.5. NACA 4

2.11.6. NACA 5

2.11.7. NACA 6

2.11.8. NACA 7

2.11.9. NACA score unknown

2.12.

Where patient is delivered

Categorical

Bullet list

Where physician-staffed unit delivers patient

For each mission

2.12.1. Major Trauma Centre/Definitive care centre

Hospital where all definitive treatment is available (to the particular patient)

2.12.2. Local hospital

Hospital where all definitive treatment is not available (to the particular patient)

2.12.3. Other health care facility

Facility not defined as hospital