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Radiology (Imaging Services)
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1301 15th Avenue West
Williston, ND 58801


As the leading healthcare provider in the region, Mercy Medical Center continues to invest in new equipment and technology upgrades to provide the highest level of imaging services in the region.  Mercy is the area's only full-service imaging center.

Recent purchases include Ultrasound, a Mindray for US and the Phillips for CT,  nuclear medicine, a digital mammography system. A positron emission tomography (PET)/CT scanner is also available at Mercy twice a month.  Each of these machines offers vastly enhanced image quality, meaning improved diagnostic capabilities for your physician.

Along with our Board Certified Radiologist, Dr. Hegge, our imaging staff consisting of Registered CT, MR, Ultrasound, Mammography, and Radiologic Technologists work to provide the best imaging studies for our patients.  

Computed Tomography
CT studies at Mercy Medical Center are performed on a GE Light Speed 16-slice CT scanner. The CT machine scans and reconstructs images much faster than previous technology while producing much higher image quality. Benefits to patients include shorter scan times and less radiation exposure.

Magnetic Resonance Imaging
Mercy’s 1.5 Tesla GE Signa MRI provides our patients with quality MR images.  This modality allows us to perform non-invasive contrast enhanced angiography (MRA) and the ability to detect and differentiate types of strokes, as well as perform a whole host of other types of procedures. 

Nuclear Medicine
Mercy’s new General Electric Infinia is a dual-head gamma camera allowing us to use shorter scan times and aiding in patient comfort.  With new technology, we are able to achieve improved image quality.
Some of the Nuclear Medicine studies offered at Mercy Medical Center include: Cardiolites, Stress tests including wall-motion studies and ejection fractions, HIDA studies, bone scans, thyroid imaging, renal scans and MUGA studies. 

Mercy Medical Center’s Imaging Services Department offers a revolutionary new mammography system.  The Hologic Selenia offers top of the line technology in Full Field Digital Mammography as well as excellent image quality. Another benefit is a one third reduction in dose of radiation to the breast over conventional radiography. All mammograms performed at Mercy Medical Center analyzed R2 CAD (computer-aided detection) system. CAD is a computer-based process designed to analyze mammographic images for suspicious areas.

Mercy Medical Center utilizes a General Electric Precision 500.  This technology is used to perform: Upper and Lower GI studies, PICC Line Placement, IVP, Barium Swallow studies, VCUG, Mylography, and various other procedures.
Mercy’s Imaging Services Department also utilizes a GE 9800 Mobile C-arm.  This unit is primarily used in the surgical suite for orthopedic and abdominal imaging.

In 2009, Mercy Medical Center purchased a Philips IU22 Ultrasound machine.  The IU22 is a state of the art ultrasound machine capable of providing 3D / 4D images.

Bone Densitometry
Mercy Medical Center’s Imaging Services Department utilizes a GE Lunar bone densitometer (DEXA scanner), which measures bone density painlessly.  The bone densitometer uses small amounts of x-ray to produce images of the spine, hip, or even the whole body.

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