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Diagnostic Imaging Services

Ultrasound Department

What are Ultrasounds?

An ultrasound exam (or "sonogram") is a painless diagnostic technique that makes use of how sound waves travel through the body. When sound waves pass through the body, they bounce off tissues and organs in certain ways. The reflected waves can be used to make images of the organs inside. The sound waves don't hurt the body, and there's no radiation. Ultrasound imaging may be done in the health provider's office, in the hospital, or in an outpatient facility. 

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CT Department
What is a CT?
A CT scan combines a series of X-ray images taken from different angles and uses computer processing to create cross-sectional images, or slices, of the bones, blood vessels and soft tissues inside your body. CT scan images provide more detailed information than X-rays. A CT scan has many uses, but is particularly well-suited to quickly examine people who may have internal injuries from car accidents or other types of trauma. A CT scan can be used to visualize nearly all parts of the body and is used to diagnose disease or injury as well as to plan medical, surgical or radiation treatment. Our advanced CT system includes enhanced features for greater patient comfort and safety, faster exams, and improved image quality. A fast scanning capability that can effectively reduce image distortion of moving organs, such as the heart and lungs. Delivering more accurate clinical images with fine details.

​​What is a CTA?

Computed tomography angiography (CTA) uses an  iodine-rich contrast material and CT scanning to help diagnose and evaluate blood vessel disease or related conditions, such as aneurysms or blockages.



MRI Department
What is a MRI?

Magnetic resonance imaging (MRI) is a noninvasive medical test that physicians use to diagnose and treat medical conditions.

MRI uses a powerful magnetic field, radio frequency pulses and a computer to produce detailed pictures of organs, soft tissues, bone and virtually all other internal body structures. MRI does not use ionizing radiation (x-rays).

Detailed MR images allow physicians to evaluate various parts of the body and determine the presence of certain diseases. The images can then be examined on a computer monitor, transmitted electronically, printed or copied to a CD.


​​What is a MRA?

Magnetic resonance angiogram (MRA) uses an iodine-rich contrast material to most accurately determine the anatomy of blood vessels and brain tissue. 



  • MRCP

  • MRI Pelvis

  • MRI Extremities Joint (Upper & Lowers)

  • MRI Extremities Non-Joint (Upper & Lowers)

  • MRA Head

  • MRA Head / Neck

  • MRA Neck / Carotid

  • MRA Pelvis


Nuclear Department
What is a Nuclear Stress Test?

A nuclear stress test measures blood flow to your heart at rest and while your heart is working harder as a result of exertion or medication. The test provides images that can show areas of low blood flow through the heart and damaged heart muscle.

The test usually involves taking two sets of images of your heart — one while you're at rest and another after you heart is stressed, either by exercise or medication.

You may be given a nuclear stress test, which involves injecting a radioactive dye into your bloodstream, if your doctor suspects you have coronary artery disease or if a routine stress test didn't pinpoint the cause of symptoms such as chest pain or shortness of breath. A nuclear stress test may also be used to guide your treatment if you've been diagnosed with a heart condition.




  • Treadmill Nuclear Stress
  • Treadmill Non-Nuclear Stress
  • Pharmacologic Nuclear Stress
  • Stess Echocardiogram 
  • MUGA Scan
What is a EMG?

Electromyography (EMG) is a diagnostic procedure to assess the health of muscles and the nerve cells that control them (motor neurons). Motor neurons transmit electrical signals that cause muscles to contract. An EMG translates these signals into graphs, sounds or numerical values that a specialist interprets.

An EMG uses tiny devices called electrodes to transmit or detect electrical signals. During a needle EMG, a needle electrode inserted directly into a muscle records the electrical activity in that muscle.

What is a Nerve Conduction Study?

A nerve conduction study, another part of an EMG, uses electrodes taped to the skin (surface electrodes) to measure the speed and strength of signals traveling between two or more points.


What is a EEG?

An electroencephalogram (EEG) is a test that detects electrical activity in your brain using small, flat metal discs (electrodes) attached to your scalp. Your brain cells communicate via electrical impulses and are active all the time, even when you're asleep. This activity shows up as wavy lines on an EEG recording.

An EEG is one of the main diagnostic tests for epilepsy. An EEG may also play a role in diagnosing other brain disorders.


  • EMG-Electromyography

  • NCV-Nerve Conduction Velocity

  • EEG- Electroencephalogram

CHS Sleep Diagnostic Center

CHS Sleep Center treats patients who suffer from insomnia, sleep apnea and other issues related to sleep loss. Chronic and/or consistent sleep loss, which affects 50 to 70 million Americans, can increase health risks associated with diabetes, high blood pressure, obesity, depression, heart disease and

stroke. Patient evaluation is offered at our 2 locations in Genesee County, including sleep laboratories and clinics offering advanced diagnostic methods and multi-specialty treatment options. We offer a team of experts, including board-certified sleep doctors with a wide range of specialties to best serve your unique needs. Our sleep doctors are dedicated to first-rate patient care and research, which allows us to offer a variety of treatment options not available at our sleep diagnostic centers.



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