First 30 seconds
- 1Call for help, note time
- 2High-flow O₂ 15 L/min NRB
- 3Lay flat, elevate legs if no pulmonary oedema
- 42× large-bore IV (14–16 G)
- 5Monitor: ECG, SpO₂, NIBP
Life-threatening generalised hypoperfusion → cellular hypoxia and organ dysfunction.
A
Airway
- • Patent? Talking? Stridor?
- • Suction, jaw-thrust, adjuncts, definitive airway if needed
B
Breathing
- • RR, SpO₂, auscultate, percuss
- • O₂ to target sats, NIV / intubate as required
C
Circulation
- • HR, BP, cap refill, JVP
- • 2× large-bore IV, bloods, monitor, ECG
D
Disability
- • AVPU/GCS, pupils, glucose, temp
E
Exposure
- • Full exposure, skin, rash, bleeding, lines, infection source
