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Acute upper GI bleeding

A Canadian clinical summary of acute upper gi bleeding, with source-attributed priorities and explicit jurisdiction boundaries.

JurisdictionCanada
Source check2026-08-20
Clinical reviewiatroX editorial team 路 Clinical editorial review 路 reviewed 2026-08-20 路 due 2027-08-20
AudienceHealthcare professionals practising in Canada
This is an iatroX educational summary of named Canada sources, not an official guideline. It does not replace the complete source documents, local policy, specialist advice or clinical judgement. The evidence source is pan-Canadian, but formularies, funded access, referral routes, public-health directions and service availability remain provincial or territorial.

Source and scope

This summary is bounded to the recommendations, population and decisions covered by Clinical Practice Guideline for nonvariceal upper gastrointestinal bleeding. Apply it with the current provincial or territorial pathway where implementation differs.
sources for this section:CAG UGIB

Source-attributed clinical priorities

  • Stabilize airway and circulation, obtain blood work and risk-stratify while reviewing antithrombotic medicines.
  • Coordinate transfusion, reversal, acid suppression and endoscopy according to severity and the CAG pathway.
  • Escalate ongoing shock or bleeding to urgent endoscopic, interventional-radiology or surgical management.
  • Use a validated pre-endoscopy risk score to support disposition, not to replace resuscitation.
sources for this section:CAG UGIB

Practical assessment and management workflow

1
Assess airway, circulation, orthostasis, ongoing bleeding, liver disease and antithrombotic medicines.
2
Obtain blood count, INR, renal and liver tests, type and screen and establish appropriate access.
3
Resuscitate and coordinate transfusion, reversal and time-appropriate endoscopy.
4
After hemostasis, treat ulcer, variceal or other cause and plan antithrombotic resumption.
sources for this section:CAG UGIB

Safety, red flags and urgent escalation

  • Shock, ongoing hematemesis or reduced consciousness needs emergency airway and endoscopic coordination.
  • Suspected variceal bleeding requires immediate vasoactive, antimicrobial and specialist management.
  • Do not overtransfuse a stable patient; use the Canadian strategy and individual cardiovascular context.
sources for this section:CAG UGIB

Confirm the local pathway before acting

The evidence source is pan-Canadian, but formularies, funded access, referral routes, public-health directions and service availability remain provincial or territorial.
sources for this section:CAG UGIB

Source and implementation boundary

Read this educational summary with the linked source, current Canadian product information where medicines are involved, and the applicable provincial or territorial pathway. Local formularies, reporting duties, referral routes and service availability can differ.
sources for this section:CAG UGIB

Source documents

Use the linked source documents for complete recommendations, evidence grading, exclusions and implementation detail.

  1. Canadian Association of GastroenterologyClinical Practice Guideline for nonvariceal upper gastrointestinal bleedingaccessed 2026-08-20
    view source
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