Ultrasound-guided cannulation of deep peripheral veins when landmark technique fails.
Indications
- • Difficult IV access
- • Obese/edematous patients
Contraindications
- ⚠ Overlying infection
Equipment
- • Linear US probe (5–13 MHz)
- • Long IV cannula (4.8–6.4 cm)
- • Sterile gel/sheath
- • Standard IV kit
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 (0/5)
Tap to complete
Compressible, thin-walled, non-pulsatile — often basilic or brachial.
2. Sterile prep
3. Short-axis approach
4. Advance needle
5. Confirm flashback
Immediate complications
- ⚠ Arterial puncture
- ⚠ Nerve injury
- ⚠ Failure
Delayed complications
- • Thrombophlebitis
Recognition
- • Bright pulsatile fill
- • Paresthesia
Initial management
- • Remove; pressure
Prevention
- • Keep needle tip visualized
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.
