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

Intubate if depressed GCS.

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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