GI Function Unit

The Gastrointestinal Function Testing Unit provides a unique scope of diagnostic tests and procedures to further investigate referred patients with a variety of digestive disorders.

Location 

Hotel Dieu Hospital site
Johnson, Level 4 Room 473
Registration: Jeanne Mance, Level 4

Contact Information 

You can reach us by calling 613-544-3400 extension 22417

Hours of Operation 

Monday & Friday 
8 a.m. - 12:30 p.m. 

Tuesday, Wednesday & Thursday 
8 a.m. - 3 p.m.

Referrals 

Patients require a referral from their family doctor or another health care professional. 
Healthcare professionals can access our referral form here.

Services

Testing
  • 13C Urea Breath Test - bacterial infection Helicobacter pylori
  • Lactose Hydrogen Breath Test 
  • Fructose Hydrogen Breath Test 
  • Glucose Hydrogen Breath Testing - Bacterial overgrowth 
    • Referrals are restricted to surgery, medicine, pediatrics and gastroenterology 
Procedures

Referrals are restricted to surgery, medicine, pediatrics and gastroenterology. 

  • 24 hour pH study
  • Esophagageal Manometry
  • Anorectal Manometry 
  • Video Capsule Endoscopy - Small Bowel

Preparation 

  • Patients should bring a list of their current medications, including inhalers and over-the-counter medications.
  • For details about how to prepare for your appointment in the GI Function Unit please refer to the brochure  corresponding with the test or procedure you are scheduled for.
Patient Brochures

Testing limited to Specialists

Requisitions available upon request.   

  • 24 Hour Ambulatory pH Study
  • Esophageal Manometry Study                                                                                                                   
  • Anorectal Manometry Study
  • Video Capsule Endoscopy

Additional resources