Finding a Diagnostic Medical for Sonography in Canada? Sonography is also known as Ultrasound. It is non-invasive and pain-free. This test exposes a specific part of the body to high-frequency sound waves that produce real-time images. There are a wide variety of ultrasound tests with different ways to prepare and we can handle it efficiently. For more information, you can call us at 613.726.CNIH (2644) or 1.866.726.CNIH (2644). See More: https://www.cnih.ca/diagnostic....-medical-sonography-