Diagnostic Imaging

Scheduled weekend appointments are available. Please contact our scheduling office for more information at 519 837-6440 x6413.

In the MRI suite

Diagnostic Imaging (DI) refers to the technology used by physicians to look inside your body and gain a better understanding or look for clues about medical symptoms. At Guelph General Hospital, all diagnostic examinations are performed by highly-trained technologists and radiologists.
A physician's referral is required for all tests and procedures performed with the exception of the Ontario Breast Screening Program (OBSP).
Women who are pregnant or think they may be pregnant should notify their referring physician and the technologist before proceeding with any diagnostic imaging examination.
All of Guelph General Hospital's imaging systems are digital. The department provides electronic images and services to inpatients and outpatients. Our diagnostic imaging services include:  
Forms and Patient Information
MRI Patient Safety Form 
MRI Requisition Form 
MRI Patient Information
MRI Preparation - relaxation techniques

CT Requisition form
Radiology Requisition form
Interventional Radiology Requisition form
Mammography, Breast Ultrasound and Bone density Requisition form
Echocardiogram Requisition form
Ultrasound Requisition form

Ultrasound Guided Breast Biopsy patient information
Stereotactic Breast Biopsy patient information

Nuclear Medicine Requisition form
Nuclear Medicine Patient Preparation and Information

If you'd like to learn more about a diagnostic imaging procedure, please click on one of the listed services above.

If you need a copy of your images, call 519 837-6440 ext. 2286. Please leave your name, the exam you require and when you will be picking up your CD. Orders take one business day to process. For departmental hours of operation, please click here.

We're always looking for ways to help make your experience even better! If you've used our services as an out patient and would like to share your experience in a brief survey, please click here. If you are a referring physician and would like to comment on your experience, please click hereThank you for taking the time.

Patient being positioned for a Bone Densitometry scan

Bone Mineral Density (Bone Density Requisition form)

Bone Mineral Density (BMD) is a measurement of the concentration of minerals in the bones which are vital for strong bones. A high BMD indicates above average amounts of calcium and phosphates in the bones, while a below-normal bone mineral density can indicate a loss of bone mass, possibly from osteoporosis. A BMD examination will assess the integrity of your bones; it does not provide a diagnosis for pain or measure arthritic changes. For more information, click here.

CT Scan (Computed Tomography) (CT Requisition form)

Computed Tomography (CT) scans combine the use of a computer with a rotating x-ray device to create detailed cross-sectional images or "slices" of the different organs and body sections. These slices are then assembled in two-dimensional, high-resolution images by a computer. CT imaging is considered safe and the diagnostic benefit of a CT scan outweighs the risks of x-ray radiation exposure or injections of contrast media.

CT has the unique ability to present an image of a combination of soft tissue, bone, and blood vessels. For example, a conventional x-ray image of the head can only show the dense bone structures of the skull, whereas a CT image of the head allows physicians to also see soft tissue structures, such as the brain and blood vessels. As a result, CT scans provide better precision and reveal more information than a regular x-ray exam. For more information, click here.

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Mammography (Mammography, Breast Ultrasound and Bone Density Requisition form)

GGH offers a state-of–the-art Digital Mammography x-ray procedure which has been proven to be effective at diagnosing abnormalities in dense breast tissue, often when abnormalities are still too small to be felt. The technologist will explain the procedure, review the medical history and answer any questions. Each breast will be compressed for only a few seconds. This should not be painful, although it can be uncomfortable. Compression is extremely important as it provides a clearer image of the breast by separating the tissue and also reduces radiation exposure. For more information, click here.

Patient being readied in the MRI by two technologistsMRI (Magnetic Resonance Imaging) (MRI Requisition Form) 

Magnetic Resonance Imaging (MRI) is a safe and painless way to take pictures of soft tissues of the body and is especially valuable in diagnosing brain and nervous system disorders, cardiovascular disease, and cancer. An MRI provides greater accuracy in detecting certain disease and does not require radiation or surgery.

The procedure involves the use of a large magnet, imaging coils, and a computer working together to produce accurate cross-sectional images of any part of the body, including the brain, spinal cord, muscles, nerves, ligaments, tendons and blood flow. It has no known side effects or risks and is considered safe for both children and adults. The images produced by an MRI scan provide the doctor or specialist with very clear and detailed pictures of the area of suspected problems. For more information, click here.

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Nuclear Medicine scanner

Nuclear Medicine (Nuclear Medicine Requisition form)

The latest addition to the Hospital’s arsenal of high tech diagnostic tools is the Tom and Margaret Trainor Nuclear Medicine Suite. Nuclear medicine is a safe and painless procedure. It records information about the function and structure of the major organs in the human body, unlike general radiology which creates images of dense bone structures. Common nuclear medicine applications include diagnosis and treatment of hyperthyroidism (a condition where the thyroid gland is overactive and produces too much hormone), cardiac stress tests to analyze heart function, bone scans for orthopedic injuries, lung scans for blood clots, and liver and gall bladder procedures to diagnose malfunctions or blockages. For more information, click here.

Patient getting an ultrasoundUltrasound (Ultrasound Requisition form)

An ultrasound test is a modern medical diagnostic procedure which uses high-frequency sound waves to produce images of the organs and structures of the body. Because high-frequency sound waves cannot penetrate bone or air, they are especially useful for imaging the soft tissues and fluid-filled spaces of the human body An ultrasound test can indicate if and when surgery is needed. It can identify and locate aneurysms, blood clots, damaged tissues, heart problems, abnormal growths, and other diseases. It also offers an accurate way to diagnose any fetal abnormalities, multiple pregnancy, tubal pregnancy, cysts, and tumours in the pelvic organs. For more information, click here. 

Patient being positioned for a standing chest xrayX-ray (Radiology Requisition form)

X-rays are electromagnetic radiation waves used to create images of tissues within the human body. Because of its high energy and short wavelength, x-rays are able to penetrate the body's tissues and bones. The amount of x-rays that pass through will depend on the composition and mass of the tissues. For more information, click here.

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