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MRI 

(Magnetic Resonance Imaging)

  Return to Radiology

MRI provides excellent anatomical detail without the use of radiation. MRI uses a strong magnetic field (far stronger than the earth's magnetic field) that scans the hydrogen protons in the human body. Very sophisticated electronic hardware and computer software are used to produce the images on a computer screen. These images are then transferred to film to be studied by a specialist.

MRI scans are used to detect cancer in organs and tissues, injuries, disorders and diseases of the musculoskeletal system; as well as and diagnose brain and nervous system disorders such as stroke, tumors, multiple sclerosis and spinal cord conditions and diseases.

Preparing for MRI

There is no special preparation for MRI scans. However, there are some important considerations:

If you are claustrophobic (afraid of closed or tight spaces) please mention this to your doctor.

Patients that have a pacemaker cannot have an MRI.

Patients that have metal in their body (artificial joints, metallic valves, etc.) must let us know when scheduling. These patients may not be able to have the scan.

Patients who are claustrophobic, and their physician orders sedation, must bring someone to drive them home.

Patients that have had stents placed in their body within the last 2 months cannot have an MRI.

Patients who have had brain or heart surgery (or angioplasty) need to check with their doctor to make sure that it is safe to have this exam.

Exam Day

Please arrive 10-15 minutes early to complete the registration process.

When it is time for the exam, patients are asked to complete a questionnaire prior to the scan. This information is gathered to ensure patients' safety and to obtain the highest quality images possible.

The technologist will explain the procedure and answer any questions.

Due to the use of magnetic fields, clothing with metal and jewelry should not be worn as it may degrade image quality. Patients may be asked to wear a hospital gown to avoid this problem.

Patients are assisted onto a table and guided into a machine.

During the exam, knocking or thumping sounds will be heard.

Results of the exam will be forwarded to the ordering physician.

Davis County Hospital Radiology

641-664-2145, extension 2551

Mammography

 Return to Radiology


  • One in every eight women will develop breast cancer.
  • Breast cancer kills every 12 minutes.
  • Every five seconds a lump is found in a woman's breast.

A mammogram is a low-level x-ray of the breast. A mammogram is the most accurate method to date, of detecting breast cancer. It can detect lesions in breast tissue which might otherwise go unnoticed because they are very small or deeply buried and cannot be felt during palpation. This makes mammography a particularly valuable tool in detecting early breast cancer.

The mammography department at Davis County Hospital is accredited by the American College of Radiology and certified by the FDA and Iowa Department of Health. Two registered mammography technologists are on staff at Davis County Hospital.

Mammography Services

Screening and diagnostic mammograms are performed at Davis County Hospital.

A screening mammogram is a routine screening exam performed when there are no specific breast complaints.

A diagnostic mammogram is performed when a patient has a specific complaint such as a lump or focal point of breast tenderness.

Preparing for a mammogram

A mammogram is a simple test that requires little planning. Schedule the test for 7 ­to 10 days after the first day of your period when your breasts are less tender.

Exam day

On the morning of your test, wash your breasts and underarms. Do not use deodorant, powder or perfume. Wear a blouse that you can remove easily.

During your test you will need to undress from the waist up. The technologist will position your breast to get the best results. Each of your breasts will be compressed. You may feel some discomfort, but compression helps get the most complete x-ray image with the least amount of radiation. Compression is not dangerous and does not damage breast tissue. We encourage you to remain as relaxed as possible and please know that any discomfort will be very brief.

0nce the exam is complete, the technologist may have you wait a few minutes to make sure the images are readable.

After the test
You may resume your normal activities right away. Occasionally, more pictures are needed. You will be called to schedule them. You will receive a card in the mail with your test results.

American Cancer Society recommendations:

  • Symptom-free women should have a baseline mammogram before the age of 40.

Age 20 - 40

  • Physical examination of breast by a physician every 3 years
  • Monthly breast self-exam
  • Symptom-free women should have a baseline mammogram before the age of 40

Over age 40

  • Physical examination of breast by a physician every year
  • Monthly breast self-exam
  • Screening mammogram every year after the age of 40.

 

 

Davis County Hospital Radiology Department  

641-664-2145, extension 2551