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For Physicians & Residents
Magnetic resonance imaging, or simply MRI, is a painless imaging test that creates detailed pictures of tissues, bones, or organs inside the body. It uses radio waves and special magnets — but not ionizing radiation (X-rays).
If you need urgent care, wait at home, not in the emergency room. Use the Dignity Health - St. Rose Dominican online waiting service, InQuicker, to select your estimated arrival time at one of our three emergency rooms for MRI in Las Vegas and Henderson, NV.
MRIs help your doctor diagnose and assess diseases and the extent of your injuries. They provide more detailed information — especially about soft tissues, such as blood vessels, ligaments, muscles, and nerves — than ultrasounds, CT scans, or X-rays.
Doctors use MRIs to understand the causes of:
A radiologic technician will perform your MRI in a Dignity Health - St. Rose Dominican hospital or radiology clinic. An MRI scan can last from a few minutes to an hour or more.
During the test, you’ll lie on a table inside the MRI scanner. The scanner is shaped either like an open, flattened ring (open MRI) or a long tube (conventional MRI). You will need to lie as still as possible while the technician takes a series of pictures. You may need a contrast dye to highlight certain systems or body parts, such as arteries and veins. The contrast may be given by injection, by mouth, or with an enema.
There is no risk of radiation exposure with an MRI. In rare cases, MRI contrast fluid can cause allergic reactions.
A radiologist will read your MRI and discuss the results with your doctor. MRIs help your health care team diagnose:
Dignity Health - St. Rose Dominican provides emergency services, including MRI, in Las Vegas and Henderson, NV.