When should you get an MRI for a headache?
An MRI may also be ordered if there is a change in your headaches or anything unusual about them, if there are additional symptoms happening with your headaches, or if there is concern there might be a structural problem causing your headaches..
Which is better for brain MRI or CT scan?
Spine – MRI is best at imaging the spinal cord and nerves. Brain – CT is used when speed is important, as in trauma and stroke. MRI is best when the images need to be very detailed, looking for cancer, causes of dementia or neurological diseases, or looking at places where bone might interfere.
What does a CT scan show that an MRI does not?
CT scans use radiation (X-rays), and MRIs do not. MRIs provide more detailed information about the inner organs (soft tissues) such as the brain, skeletal system, reproductive system and other organ systems than is provided by a CT scan.
What can a CT scan detect in the head?
A CT of the brain may be performed to assess the brain for tumors and other lesions, injuries, intracranial bleeding, structural anomalies (e.g., hydrocephalus , infections, brain function or other conditions), particularly when another type of examination (e.g., X-rays or a physical exam) are inconclusive.
What tests does a neurologist do for headaches?
A neurological exam may include vision, hearing, nerves, reaction time, and mobility tests. Blood tests. Blood tests may be ordered to help rule out infection and other health conditions of which headaches are a symptom. Spinal fluid test.
What kind of tests are done for headaches?
Blood chemistry and urinalysis: These tests are used to determine other medical conditions — including diabetes, thyroid problems and infections — that can cause headaches. Computed tomography (CT scan): X-rays and computers are used to produce images of a cross-section of the body.