Delivery of supplemental oxygen to maintain SpO2 within a target range.
Indications
- • Hypoxemia (SpO2 < 92% or < 88% in COPD)
- • Shock
- • Post-anesthesia
Contraindications
- ⚠ Paraquat poisoning (relative)
Equipment
- • Nasal cannula (1–6 L, FiO2 24–44%)
- • Simple mask (5–10 L, 35–50%)
- • Venturi (24–60%)
- • Non-rebreather (10–15 L, ~85%)
- • HFNC
Positioning
- • As appropriate for the procedure and patient comfort.
Consent
- • Explain indication, benefits, alternatives
- • Explain risks & complications
- • Obtain written/verbal consent as per SOP
- • Document consent
Universal precautions
- • Hand hygiene
- • PPE — gloves, mask, eye protection
- • Aseptic technique
- • Sharps safety
- • Verify patient identity & site
Step-by-step (0/4)
Tap to complete
SpO2, RR, work of breathing, ABG if available.
Immediate complications
- ⚠ CO2 retention in COPD
Delayed complications
- • Oxygen toxicity
- • Absorption atelectasis
Recognition
- • Rising CO2
- • Drowsiness
Initial management
- • Titrate down; controlled O2 with Venturi
Prevention
- • Target-based O2
- • ABG monitoring
Post-procedure observation
- • Vitals q15min × 1h then hourly
Monitoring
- • Site inspection
- • Symptom review
Documentation
- • Procedure note
- • Consent
- • Findings
Patient instructions
- • Report pain, bleeding, fever, worsening symptoms
Educational bedside guide. Perform only under supervision until competent. Follow local SOPs and consent policy.
