ABG Interpretation Bedside

ICU · ICU/Medicine · 10–20 min

Systematic bedside interpretation of an arterial blood gas.

Indications

  • Assessment of oxygenation, ventilation, acid-base

Equipment

  • ABG report
  • Calculator or app

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 (0/7)

Tap to complete

1. Check pH

< 7.35 acidemia; > 7.45 alkalemia.

2. PaCO2

3. HCO3

4. Match

5. Anion gap

6. Delta-delta

7. Oxygenation

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.

WardRound

WardRound

Clinical Decisions in Seconds