Major Incident Triage: quick reference

majorincident.netlify.app โ€ข works without signal once installed โ€ข print this for the kit bag

Training and exercise use only. Not for use with real patients.

Before an incident

  1. Open the app once with signal. Wait for โœ“ Ready offline in the blue bar.
  2. iPhone: Safari โ†’ Share โ†’ Add to Home Screen. Android: tap Install (or Chrome menu โ†’ Install app). Always open it from the home-screen icon.
  3. iPhone: set Auto-Lock to Never while on scene.
  4. Practise in Training mode (โš™ โ†’ Training mode). Orange banner = practice only; real records are untouched.

Start

  1. Type your name / call sign.
  2. Tap your role (healthcare professional, or non-clinical).
  3. Optional: under Options, type the incident code โ€” the same on every phone.

Triage a patient

  1. Tap START TRIAGE. Answer YES / NO.
  2. Not sure? Follow the yellow hint โ€” it gives the safer answer.
  3. Read the category and attach the matching label.
  4. Tapped the wrong button? โ†ฉ Change last answer.
  5. Next Patient โ†’ for the next casualty.

Paper tag or wristband? Start โ†’ Options โ†’ Patient ID mode โ†’ Scan tag: the camera reads its barcode or QR as the patient ID. No barcode? Tap Read the printed number in the scanner and confirm what it read. ๐Ÿ“ท Receive patient with a tag the phone already has opens that patient.

Start again: home โ†’ More โ†’ ๐Ÿงน Clear everything and start again (a real-use phone with records asks you to type CLEAR).

Hand over one patient (two phones)

  1. Sender: open the patient โ†’ ๐Ÿ“ฑ QR Handover.
  2. Receiver: ๐Ÿ“ท Receive patient โ†’ scan โ†’ check โ†’ Accept.
  3. Receiver's phone shows a confirmation code.
  4. Sender: ๐Ÿ“ท Scan their confirmation code. Done โ€” both phones record it.

Send many patients

  1. More โ†’ Send patients to another device โ†’ choose all / sector / on scene.
  2. Show QR codes. Receiver: ๐Ÿ“ท Receive patient and keep the camera on the codes (any order).
  3. No luck scanning? Export transfer file and send it by AirDrop / Nearby Share; receiver uses Import transfer file.

Records for debrief and inquiry

If something goes wrong

TST โ€” Ten Second Triage (anyone)

  1. Walking? YES โ†’ P3
  2. Severe bleeding? YES โ†’ pressure, tourniquet, packing โ†’ P1. Once it is controlled: not talking but breathing โ†’ recovery position (leave the tourniquet on)
  3. Talking? YES โ†’ penetrating injury, front or back? YES โ†’ P1; NO โ†’ P2
  4. Not talking: Breathing? (open airway if able) YES โ†’ recovery position โ†’ P1; NO โ†’ Not breathing (CPR if resources allow)

Any child under 2 โ†’ P1 (national TST guidance; not printed on the card), but check for severe bleeding first and treat it. TST labels have a checked border. Re-triage about every 15 minutes, and with MITT as soon as possible.

MITT โ€” NHS Major Incident Triage Tool (clinicians)

  1. Catastrophic bleeding? YES โ†’ pressure dressing, tourniquet, haemostatic packing โ†’ P1
  2. Walking? YES โ†’ P3
  3. Breathing? (open airway if required) NO โ†’ Dead*
  4. Responds to voice? NO โ†’ recovery position โ†’ P1
  5. Aged over 2 years? NO โ†’ P1
  6. Breathing rate 12โ€“23? NO โ†’ P1
  7. Heart rate 100 or more? YES โ†’ P1; NO โ†’ P2

* Children (<12) not breathing: if resources allow, consider 5 rescue breaths if submersion, immersion or smoke inhalation. MITT labels are solid colour.

Categories

P1 โ€” Immediate
P2 โ€” Urgent
P3 โ€” Delayed
Not breathing (TST) โ€” healthcare reassessment ASAP
Dead (MITT)
P1 Hold โ€” senior clinical decision, only once the incident commander allows it

Question wording follows the NHS England TST and NHS MITT cards (April 2023). The app supports, and does not replace, training and clinical judgement.