First 30 seconds
- 1Check leads/gain (rule out fine VF)
- 2CPR immediately
- 3Adrenaline 1 mg IV q3–5 min
- 4IV/IO access
A
Airway
- • Patency, protect
- • Adjuncts / definitive airway
B
Breathing
- • RR, SpO₂
- • O₂ to target sats
C
Circulation
- • HR, BP, IV access
- • Fluids/vasopressors
D
Disability
- • AVPU/GCS, pupils, glucose
E
Exposure
- • Full exposure, bleeding, source
