Condition

Chemical pneumonitis; foreign body obstruction and atelectasis

Presentation

Tachypnoea; tachycardia; ↓ lung compliance; ↓ SpO₂

Immediate action

Minimise further aspiration; secure the airway; suction

Follow-up action

100% oxygen; consider CPAP; empty the stomach

Investigations

CXR; bronchoscopy

Also consider

Pulmonary oedema

Embolus

ARDS