MRI Scan Machine

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Tuesday, April 23, 2013

Magnetic Resonance imaging (MRI) Head


Magnetic  resonance imaging (MRI)is a diagnostic test to take description of the body parts and give information more advance then x-ray, ultrasound and CT scan. For head mri they do with same mri machine with using a imaging test with powerful magnetic and radio waves to create the picture of the brain.
Mri procedure doesn’t use radiation, only lie of your head inside the machine scanner using strong magnet then it will show pathologic problem such as tissue damage, disease, infection, inflammation or tumor. In the same time the result can be store in the computer and film or CD can be made.

Maybe in some cases, injection of dye or contrast material need, to see detail pictures such as in vascular study.

Magnetic resonance imaging (MRI) of the head is done to:

Look for the cause of headaches.

MRI of head can help to find the source of headache, stroke or blood vessel problem in the head. It will show in the picture an aneurysm or abnormal blood vessels formation during birth its called an arteriovenous malformation. Check source of bleeding , head injury, brain diseases such as Huntington’s disease, multiple sclerosis, Parkinson’s disease, or Alzheimer’s disease. Check retention fluid in the brain called hydrocephaly, look for tumor, infection, an abscess, or figure conditions of the brain or brain stem, such as encephalitis or meningitis. Check the eyes, the nerves from the eyes of the brain (optic nerves), the ears, and the nerves from the ears of the brain (auditory nerves).

How the Test is Performed

You may be asked to wear a hospital gown or clothing without metal fasteners (such as sweatpants and a t-shirt). Certain types of metal can cause blurry images, and you will lie on a narrow table, which slides into a large tunnel-shaped scanner. Some exams require a special dye (contrast). The dye is usually given before the test through a vein (IV) in your hand or forearm. The dye helps the radiologist see certain areas more clearly. During the MRI, the person who operates the machine will watch you from another room. The test most often lasts 30 - 60 minutes, but it may take longer.

How to Prepare for the Test

You may be asked not to eat or drink anything for 4 - 6 hours before the scan. Tell your doctor if you are afraid of close spaces (have claustrophobia). You may receive medicine to help you feel sleepy and less anxious, or your doctor may suggest an "open" MRI, in which the machine is not as close to the body.

Before the test, tell your health care provider if you have:

Brain aneurysm clips
Certain types of artificial heart valves
Heart defibrillator or pacemaker
Inner ear (cochlear) implants
Kidney disease or dialysis (you may not be able to receive contrast)
Recently placed artificial joints
Certain types of vascular stents
Worked with sheet metal in the past (you may need tests to check for metal pieces in your eyes)

The MRI contains strong magnets. Metal objects are not allowed into the room with the MRI scanner. This includes:

Pens, pocketknives, and eyeglasses
Items such as jewelry, watches, credit cards, and hearing aids
Pins, hairpins, metal zippers, and similar metallic items
Removable dental work

How the Test Will Feel

An MRI exam causes no pain. If you have difficulty lying still or are very nervous, you may be given a medicine to relax you. Too much movement can blur MRI images and cause errors. The table may be hard or cold, but you can request a blanket or pillow. The machine produces loud thumping and humming noises when turned on. You can wear ear plugs to help reduce the noise. An intercom in the room allows you to speak to someone at any time. Some MRIs have televisions and special headphones that you can help you pass the time or block the scanner noise. There is no recovery time, unless you were given a medicine to relax. After an MRI scan, you can go back to your normal diet, activity, and medications.

Why the Test is Performed

Read more »

Friday, April 12, 2013

MRI Scan Hitachi Airis Elite 2004

System is currently installed and being utilized to treat patients.

Software Version: V5. IG

Slew Rate: 55 Tesla mm/Sec

RF Amplifiers: 21 m/T/M

Coils Include:

Brain,
Rapid Brain,
C-Spine,
Knee,
Rapid Knee,
Wrist,
Extremity,
Shoulder,
Rapid Body LG
Body SM


Interested buyers, please contact me for further details.



www.MRIDepot.com