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Diagnostic imaging gives physicians the ability to see inside the body to help determine the cause of medical problems or to observe the health of an organ, bone or tissue. The imaging services provided at Polk Medical Center use the lowest dose of radiation necessary ​to give health care professionals the image quality needed to make an accurate diagnosis. 


Bone Densitometry (DEXA)

Bone densitometry is used to diagnose osteoporosis. This test is also called a bone density scan or a dual-energy X-ray absorptiometry (DEXA). This enhanced X-ray reveals bone loss by measuring mineral density in bones. I t is most commonly performed on the lower spine and hips. DEXA scans are recommended for post-menopausal women not taking estrogen or women with certain conditions that may cause bone loss.

Computed Tomography (CT)

Computed tomography (CT) uses X-ray technology to capture multiple views of a particular part or area of the body. Polk Medical Center features a 60-slice CT scanner. This technology provides high-quality images quickly. The open design of our CT scanner makes it appropriate for bariatric or claustrophobic patients.

Digital Mammography

A mammogram is a low dose X-ray of breast ​tissue. Digital mammography is used ​to detect any abnormalities. Images over time can be compared to determine if there are any unusual changes.​


Fluoroscopy uses X-rays to provide continuous, real-time, moving images of the body on a computer monitor. This procedure can be used to diagnose medical conditions or assist in the treatment of a health problem.  

Magnetic Resonance Imaging (MRI)

Magnetic resonance imaging uses magnets and radio waves to give radiologists a detailed view of organs and tissue to help diagnose medical issues. Because powerful magnets are used, patients must notify the radiologic technician and radiologist if they have any implanted metal devices or embedded metal, such as shrapnel.


Ultrasound​ uses high-frequency sound waves to provide diagnostic images of the heart, blood vessels, kidneys, liver and other organs. No radiation is involved in ultrasound imaging. A breast ultrasound can also be helpful in assessing breast health.


An X-ray provides a single image of a specific part of the body for viewing at a later time. 


For additional information, call 770.749.4060.​