Radial artery puncture for arterial blood sampling.
Indications
- • Assess oxygenation, ventilation, acid-base
- • Titrate ventilator
Contraindications
- ⚠ Failed Allen's
- ⚠ AV fistula arm
- ⚠ Local infection
- ⚠ Coagulopathy (relative)
Equipment
- • Pre-heparinized ABG syringe with 22–25 G needle
- • Antiseptic swab
- • Gauze
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 (0/6)
Tap to complete
Confirms ulnar collateral.
Immediate complications
- ⚠ Hematoma
- ⚠ Arterial spasm
- ⚠ Nerve injury
Delayed complications
- • Thrombosis
Recognition
- • Cold hand
Initial management
- • Pressure
- • Warm limb
Prevention
- • Allen's test
- • Minimum attempts
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
Drugs used in this procedure
Educational bedside guide. Perform only under supervision until competent. Follow local SOPs and consent policy.
