Diagnostic imaging is an essential tool in the medical field. With these exams, doctors can see inside the body to reveal the root of problems ranging from bone fractures and torn ligaments to tumors and internal bleeding. While there are many types, here is a closer look at the primary four. 

What Are the Most Often Used Diagnostic Imaging Tests?

1. MRI

A magnetic resonance imaging (MRI) test uses a large magnet and radio waves to align hydrogen atoms in the body. It takes a picture, similar to an X-ray but with significantly more detail and includes images of muscles, nerves, bones, and organs. It’s particularly useful for examining complex parts of the body, such as the brain. 

2. Ultrasound 

Ultrasound radiology uses high-frequency sound waves, the same way a bat uses echolocation to navigate while flying. Unlike other imaging tests, such as the X-ray or MRI, ultrasounds don’t expose you to radiation. This is why it’s used for pregnant women to observe fetuses in utero.

3. CT Scan 

Computerized tomography (CT) uses X-rays to give a cross-sectional look at the body. Like the MRI, it requires you to stay still while the machine does its job. Some tests require dye, which may be taken orally or intravenously, to produce a higher contrast. These scans are highly versatile and can be used for everything from cancer diagnoses to internal bleeding and tendon issues. 

4. X-Ray

X-rays are the most common diagnostic imaging test, utilizing electromagnetic rays. Different types of tissue absorb the radiation to varying degrees, so bones and tissue become distinguishable in images. These tests are used for everything from diagnosing musculoskeletal disorders to fractures. 

If you need a diagnostic imaging test in Marion County, OR, turn to the trusted professionals at Santiam Hospital. Since 1953, this local hospital has served the Mid-Willamette Valley and Stayton with compassionate, expert care. Call (503) 769-2175 to speak with a friendly staff member to schedule an appointment. Or visit the website to learn more about the services they offer.