How long does an MRI of the head take?

The test usually takes 30 to 60 minutes but can take as long as 2 hours.

How do you prepare for a brain MRI?

Before an MRI exam, eat normally and continue to take your usual medications, unless otherwise instructed. You will typically be asked to change into a gown and to remove things that might affect the magnetic imaging, such as: Jewelry.

Is a head and brain MRI the same?

There is no difference between MRI of head and brain. How does magnetic resonance imaging work? In a head MRI procedure, a scan will produce a 3D image of your head and brain using a combination of the magnetic field and radio waves.

What does an MRI head scan show?

MRI can detect a variety of conditions of the brain such as cysts, tumors, bleeding, swelling, developmental and structural abnormalities, infections, inflammatory conditions, or problems with the blood vessels. It can determine if a shunt is working and detect damage to the brain caused by an injury or a stroke.

Why might I need a head MRI scan?

A head MRI is a useful tool for detecting a number of brain conditions, including: aneurysms, or bulging in the blood vessels of the brain. multiple sclerosis. spinal cord injuries. hydrocephalus , a buildup of spinal fluid in the brain cavities.

What happens when you get a MRI?

An MRI scan uses magnets and radio waves to capture images inside your body without making a surgical incision. The scan allows your doctor to see the soft tissues of the body, such as muscles and organs, without your bones obstructing the view.

What is given to MRI patients before a MRI?

Contrast agents (often containing the element Gadolinium) may be given to a patient intravenously before or during the MRI to increase the speed at which protons realign with the magnetic field. The faster the protons realign, the brighter the image.

What to expect during a MRI scan?

What to Expect During an MRI Scan. MRI scans can take anywhere from 30 minutes to two hours. Before the scan begins, you’ll lay on a bed attached to the MRI machine, with your head on a headrest and your arms by your sides. The MRI technician will likely provide you with earplugs, as the MRI scan produces loud knocking noises when running.