All emergency guides
Emergency

Catastrophic Bleeding

critical

Life-threatening haemorrhage — stabbing, glass, arterial. Stop the bleed within seconds.

Call 999 where appropriate

Recognise

  • Spurting or heavy pooling blood
  • Pale, cold, clammy skin
  • Rapid breathing, drowsiness

Immediate actions — CABC

  • SCENE SAFE? Move to hard cover if attacker present.
  • SHOUT for another staff member to dial 999 — say 'catastrophic bleed'.
  • APPLY firm direct pressure with gloved hands, clothing or trauma dressing.
  • PACK deep wounds with sterile gauze or clean cloth — keep pressure on.
  • TOURNIQUET for limb bleeds above wound, 5–7 cm from injury — tighten until bleeding stops. Mark time.
  • Keep casualty warm, talking, still. Reassure.

Junctional (neck, armpit, groin)

  • Direct pressure only — do NOT tourniquet
  • Pack wound with gauze and maintain pressure

What NOT to do

  • Don't remove impaled objects — pack around them
  • Don't release pressure to look
  • Don't loosen tourniquet

Call 999

  • Immediately. Request police AND ambulance if weapons involved.

GuardAssist provides operational decision support. It does not replace formal training, employer procedures, assignment instructions or professional judgement. In a life-threatening emergency, dial 999.