Types and Levels of Brain Injuries

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Brain injuries vary in large degrees, from minor concussions to severe blows that require hospitalization. However, even a minor brain injury can become more serious if it’s not immediately diagnosed and treated by a physician.

Traumatic brain injuries (TBIs) also have a wide variety of short and long-term symptoms. Victims can suffer from memory loss, anxiety, dizziness, speech problems, and an array of other symptoms.

To better understand brain injuries, doctors have classified traumatic brain events into different categories. Learn more about the different types of brain injuries from the traumatic brain injury attorneys at Mulholland & Sutlive, LLC, in Atlanta, Georgia.


Concussions stem from a blow to the head from both direct and indirect sources. It can occur from physical impact to the head from a football game or boxing match or an indirect source such as the whiplash experienced from a car accident. They occur due to impact from sudden momentum changes.

Concussions are the most common form of TBI and can result in a variety of symptoms. A person can experience dizziness, memory loss, or headaches. Depending on the severity of the concussion, they can take months or even a couple years to fully heal.


Contusions stem from a direct hit to the brain, resulting in internal bleeding. They are a form of micro hemorrhages that cause blood vessels to dissipate from brain tissue. Contusions can result in severe mental consequences and there are surgical options for severe cases.

A Coup-Contrecoup is a severe contusion that results in a separate contusion on the opposite side of the source of impact.

Diffuse Axonal

Aggressive or sudden shaking can also cause a brain injury. Some victims experience severe whiplash from a car accident and a baby if violently shaken can have similar symptoms. Brain structures tear and so can precious nerve tissue. Depending on the severity of the tears, communication skills can be impacted and victims can face widespread brain damage.


The impact or a bullet, knife, or weapon can puncture the brain tissue. Traumatic brain injuries from bullet wounds result in over 90% of firearm-related deaths. Firearms are the number one cause of death due to traumatic brain injuries.

Anoxia and Hypoxic

Some people receive TBI from lack of oxygen reaching the brain. Strokes, heart attacks, or near-drowning experiences can cause anoxia (brain does not receive any oxygen) or hypoxic (brain receives an inadequate amount of oxygen). These instances result in acquired brain injury with severe consequences.

Levels of Brain Injuries

Mild TBI

Mild instances of traumatic brain injury occur from a brief loss of consciousness. Doctors classify someone with mild TBI on the Glasgow Coma Scale with a score between 13 and 15 points. A victim is diagnosed with mild TBI when the affects of the injury only occur during the time of the injury.

Moderate TBI

Most brain injuries fall between a 9 and 12 on the Glasgow Coma Scale. The sustained injuries result in long-term consequences. Victims may experience bouts of confusion, dizziness, cognitive impairment, speech problems, or loss of consciousness.

Severe TBI

Forceful blows or penetrating incisions can severely tear or damage brain issues. Most instances are life-threatening but those lucky enough to survive can end up with a wide range of issues.

After prolonged hospitalization and therapy, patients can suffer from a range of symptoms, including cognitive, behavioral, physical, or emotional impairment. The cumulative damage can permanently affect neurological and cognitive systems in the brain depending on the source of impact.

Contact Mulholland & Sutlive, LLC, About a Brain Injury Lawsuit

Traumatic brain injuries are scary – for both the victim and his or her loved ones. Mulholland & Sutlive, LLC, has the experience with traumatic brain injury cases. Call now to schedule a free consultation at our Atlanta office: (770) 350-2691.