First 30 seconds
- 1Remove from source
- 2High-flow O₂ 15 L via non-rebreather
- 3Continuous ECG, glucose
Hb bound by CO → tissue hypoxia. SpO₂ falsely normal.
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
