How does portable MRI work?

The doctor conducts a brief exam—but instead of then calling the radiology suite to try to get you scheduled for an MRI study, on a machine often located in the basement or another part of the hospital, this mini-MRI stands ready at the bedside. Imaging is performed right there; results start appearing within minutes.

How does a magnetic MRI work?

How does MRI work? MRIs employ powerful magnets which produce a strong magnetic field that forces protons in the body to align with that field. When a radiofrequency current is then pulsed through the patient, the protons are stimulated, and spin out of equilibrium, straining against the pull of the magnetic field.

What are the side effects of magnetic resonance imaging?

There are no known side effects from an MRI scan. Patients with claustrophobia or anxiety may be given a sedative medicine to relax during the process and any medication can have side effects. Make sure to tell your doctor of any allergies you may have to avoid negative reactions to medication.

Is there such a thing as a mobile MRI?

A mobile MRI is a self-contained suite that houses the scanner, control room, and in some cases, a patient changing room. It’s called a mobile unit because the suite is built in a 48′ semi-trailer which can be transported between multiple locations or connected directly to a facility.

Is there such thing as a portable MRI machine?

For the study, the research team examined the efficacy of a device known as the Portable Point-of-Care MRI system. According to researchers, it can be wheeled down a hospital hallway, costs a fraction of traditional MRI technologies, and can be used almost anywhere by medical technicians with even minimal training.

Are MRI magnets always on?

The MRI magnet is ALWAYS on. This means no person is allowed to enter the MRI scan room without clearance and permission from a certified technologist. Metallic objects (such as fingernail clippers, pocket knives and even pens) can lead to serious bodily injury if brought within the magnetic field.

How does an MRI scan work simple?

When you lie under the powerful scanner magnets, the protons in your body line up in the same direction, in the same way that a magnet can pull the needle of a compass. Short bursts of radio waves are then sent to certain areas of the body, knocking the protons out of alignment.

What is magnetic shielding in MRI?

Magnetic shielding refers to the attempt to isolate or block the magnetic field of the MRI magnet. This can be done to prevent unwanted interference from the MRI magnet on nearby electronic devices.