Gastric Lavage (Overview)

General · Emergency · 10–20 min

Removal of gastric contents in select poisoning cases within 1h of ingestion. Rarely indicated today.

Indications

  • Life-threatening ingestion within 1h
  • Patient intubated / airway protected

Contraindications

  • Corrosive / hydrocarbon ingestion
  • Unprotected airway
  • Bleeding diathesis

Equipment

  • Wide-bore Ewald tube (36–40 F adult)
  • Warm saline / water
  • Suction
  • Airway protection

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

1. Airway first

Intubate if depressed GCS.

2. Left lateral head down

3. Insert Ewald tube orogastrically

4. Lavage

5. Activated charcoal

Immediate complications

  • Aspiration
  • Esophageal injury
  • Electrolyte disturbance

Recognition

  • Cough, hypoxia

Initial management

  • Suction; supportive

Prevention

  • Airway protection

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.

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