Venous Blood Sampling

General · General · 10–20 min

Venipuncture for standard laboratory investigations.

Indications

  • • Any lab investigation

Contraindications

  • ⚠ Overlying infection
  • ⚠ AV fistula arm
  • ⚠ Post-mastectomy limb (relative)

Equipment

  • • Tourniquet
  • • Vacutainer holder + needle 21 G
  • • Order of draw tubes
  • • 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 (0/7)

Tap to complete

Two identifiers.

Immediate complications

  • ⚠ Hematoma
  • ⚠ Nerve injury
  • ⚠ Arterial puncture

Delayed complications

  • • Infection

Recognition

  • • Bright pulsatile blood

Initial management

  • • Pressure 5 min

Prevention

  • • Correct site
  • • Release tourniquet timely

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

Related in WardRound

Educational bedside guide. Perform only under supervision until competent. Follow local SOPs and consent policy.

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Clinical Decisions in Seconds