Can a concussion be missed on a CT scan?

A CT scan takes pictures to create images of the brain. The scan can show if there’s a fracture or bleeding. An MRI creates clear images of brain tissue. But these scans cannot show if you have a concussion.

How do they check for a concussion?

Brain imaging may determine whether the injury is severe and has caused bleeding or swelling in the skull. A cranial computerized tomography (CT) scan is the standard test in adults to assess the brain right after injury. A CT scan uses a series of X-rays to obtain cross-sectional images of your skull and brain.

How does concussion show on CT scan?

A person who has suffered a concussion may feel dizzy, nauseous, feel irritable, and have trouble concentrating. The signs and symptoms of a concussion are not relatable to visible damage to the brain on the CAT scan. More than 95\% of concussions will not show any findings on a CAT scan.

Is there a definitive test for concussion?

Diagnostic Tests There is no single test used to diagnose a concussion. If your NYU Langone doctor suspects a concussion, he or she may perform a physical exam to check your strength, balance, coordination, and reflexes.

How long would it take for concussion symptoms to appear?

Concussion symptoms usually appear within minutes of the head injury. However, some symptoms may take several hours to appear. Symptoms can change days later; others can develop when the brain is stressed with use.

How can you tell if you have a concussion by your eyes?

Vision or eye disturbances, such as pupils that are bigger than normal (dilated pupils) or pupils of unequal sizes. Ringing in the ears that doesn’t go away. Weakness in the arms or legs. Appearing very pale for longer than an hour.

Do you get an xray for a concussion?

Does a concussion injury show up on x-ray, on CT scan or MRI? No, it won’t show up on an x-ray, CT scan or MRI.