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) & 1.866.726.CNIH (2644) or visit https://www.cnih.ca/diagnostic-medical-sonography-school-ontario/