× Important Notice on COVID - 19

To protect patients and staff from COVID-19, we ask that all patients NOT come to True North Imaging who have:
1) Travelled outside of Canada in the last 14 days AND been advised to quarantine per the federal quarantine requirements
2) Been notified as a close contact of someone with COVID-19 OR been told to stay home and self-isolate
3) Have symptoms of

Please call Telehealth Ontario at 1-866-797-0000 or go to an assessment center if you develop symptoms.
If you require emergency diagnostic imaging, please go directly to your local emergency room.
Once the symptoms have resolved and/or at least 14 days have passed, an appointment for your diagnostic exam can be made.

Due to COVID-19, the Ministry of Health has stated that we must limit the number of people in all facilities. Therefore, ONLY Patients are permitted in the clinic. Exceptions are made for those who need support workers and the accompaniment of a minor. To ensure inclusiveness, we have adjusted our policies for obstetrical patients to allow for video chat and photos at the end of an exam.


An ultrasound is a procedure in which high-energy sound waves are bounced off internal tissues or organs and make echoes. The echo patterns are shown on the screen of an ultrasound machine, forming a picture of body tissues called a sonogram.

True North Imaging is the largest community-based provider of ultrasound services in Ontario with a focus on obstetrics, gynecology and fertility imaging. Our commitment to ultrasound related teaching and research is second to none among community providers. We are a proud training organization for institutes such as the University of Toronto and McGill University for post-graduate physicians, as well as The Michener Institute of Applied Health Sciences and Mohawk-McMaster for sonography students.

Appointment Details

Please call the desired location as appointments are required. We will make every attempt to accommodate your scheduling request. For emergency and stat procedures we will make every attempt to accommodate you the same day.

  • Please bring the Requisition Form and your valid Ontario Health Card for each visit.
  • If you do not have a valid Ontario Health card please bring VISA, MasterCard or Debit Card.
  • Please arrive 10 minutes prior to your appointment for registration.
  • LATE arrivals may require re-booking.
  • If you are unable to keep your appointment, please give at least 24 hours notification.

Exam Preparation

These instructions are IMPORTANT. Please follow them.


Includes studies of the gall bladder, pancreas, spleen, liver, kidneys and aorta. If your appointment is in the morning, DO NOT eat or drink anything 12 hours prior to your examination. If your appointment is in the afternoon, for breakfast you may eat dry toast, black tea, black coffee, juice up to 9 a.m. Nothing to drink or eat after that. These instructions are important as we require you to have an empty stomach.


Includes transvaginal, uterus, ovaries, bladder,  g.u.tract and pregnancy (obstetrical/nuchal translucency).

You must drink 32 ounces or 1 litre (4 large glasses) of fluids completed 1 hour prior to your appointment. This can include coffee, tea, juice, water, etc. – not milk. Do not go to the washroom. You must have a full bladder for this examination. We will try to examine you as soon as possible on arrival so that you will not have to be uncomfortable for too long. Eat the meal nearest your examination – there is no reason not to eat.

ABDOMEN & PELVIS (examinations combined)

DO NOT eat anything 12 hours prior to examination. Finish drinking 32 ounces (1 litre) of water, and ONLY water one hour before your examination. Do not go to the washroom.


Finish drinking 32 ounces or 1 litre (4 large glasses) of water 1 hour before appointment. Do not go to the washroom. Take mild laxative the evening before. (PROSTATE ONLY – OMIT LAXATIVE).


No preparation. May be booked at any time during the day/evening.


No preparation. May be booked at any time during the day/evening.


No preparation. May be booked at any time during the day/evening.


    True North Imaging has conveniently-located clinics across the GTA and Kitchener-Waterloo region, with the corporate head office in Thornhill.

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    At TNI we are committed to providing our staff with a warm and collegial work environment.


    We have the most up-to-date equipment for performing sophisticated diagnostic services set in a comfortable and convenient environment.

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    At TNI, we're always adding new services and locations. Find out about the latest news, hours of operation and events.

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