Most Common Fatal Car Accident Injuries

Fatal car accident injuries often involve trauma to the brain, spinal cord, chest, abdomen, or major arteries. In many cases, the person dies at the scene, while in others, complications develop hours or days later despite emergency treatment.

Car crashes are one of the leading causes of death in the United States, and Nashville recorded 98 fatal crashes in 2025, underscoring the lethality of motor vehicle collisions on local roads.

The Nashville car accident attorneys at Grissim & Waterman understand that loved ones may be overwhelmed by the legal and financial challenges after fatal motor vehicle accidents. We are here to pursue justice for your family and help you relieve financial pressure while your family grieves. We offer free consultations to help you explore your legal options for compensation.

What Are the Most Common Injuries That Cause Death in Car Accidents?

The most common fatal injuries after serious car crashes include:

• Traumatic brain injuries
• Upper cervical spinal cord injuries
• Internal bleeding
• Vital organ damage
• Severe chest trauma
• Aortic tears and other major blood vessel injuries
• Crush injuries
• Burns and smoke inhalation
• Traumatic amputations
• Multiple trauma involving several body systems

Some victims die at the scene from the violent and sudden impact. Others survive the initial crash but die hours or days later from swelling, bleeding, organ failure, infection, blood clots, or respiratory complications.

Traumatic Brain Injuries

Traumatic brain injuries are among the most common types of head injuries in car accidents and causes of death. A violent blow to the head can cause bleeding inside the skull, brain swelling, oxygen deprivation, or direct damage to brain tissue. Even when the skull does not fracture, the brain can move forcefully inside the head and suffer life-threatening trauma.

The main danger is pressure. When the brain swells, or blood collects inside the skull, there is limited room for that pressure to expand. As pressure rises, blood flow and oxygen to the brain may drop. In the most severe cases, the brain can shift out of position, leading to herniation, coma, and death.

One of the main signs of a TBI is losing consciousness immediately. Other victims appear alert at first but deteriorate later as bleeding or swelling worsens. This delayed decline is one reason emergency medical treatment is so important after a violent crash.

Fatal brain injuries may occur in head-on collisions, rollover accidents, truck crashes, pedestrian impacts, and crashes where head injuries result from striking the windshield, pavement, or another object inside the vehicle. Our Nashville brain injury lawyers use crash evidence, emergency records, imaging, and medical expert analysis to connect the brain trauma to the vehicle collision.

Spinal Cord Injuries

Fatal spinal injuries usually involve the upper cervical spine, where the spinal cord controls breathing and other essential body functions. A broken bone, dislocation, or severe twisting injury in this area can cause spinal cord damage so severe that the victim cannot breathe without immediate intervention.

Some neck injuries are survivable, including many soft tissue injuries and lower spinal cord injuries. Fatal cases are different. They often involve spinal cord transection, severe compression, internal decapitation, or instability between the skull and upper spine. These injuries can cause immediate death or lead to respiratory failure shortly after the crash.

High-speed impacts, rear-end collisions, rollover accidents, and crashes involving ejection create the kind of force that can fracture or dislocate the cervical spine, a common type of fracture in car accidents. Victims may also die later from complications connected to paralysis, including pneumonia, blood clots, sepsis, or respiratory failure.

Our Nashville spinal cord injury lawyers review the mechanics of the crash, medical imaging, EMS records, and expert findings to show how the collision caused fatal spinal trauma.

Internal Injuries

Car accident internal injuries can be fatal because victims may bleed heavily inside the body without obvious external wounds. Beyond soft tissue damage, the liver, spleen, kidneys, lungs, intestines, and major arteries can rupture during a violent crash. If blood loss is severe, the victim may go into shock before doctors can control the bleeding.

Violent force trauma is a common cause. The body may strike the dashboard, steering wheel, seat belt, door, or another hard surface. Penetrating injuries commonly suffered in auto accidents, such as those from broken glass, metal, or vehicle debris, can also damage organs.

These severe injuries are often associated with delayed symptoms. A person may initially speak, walk, or appear stable, then collapse as internal bleeding worsens. Fatal complications can include hemorrhagic shock, organ failure, infection, and cardiac arrest.

Chest Injuries

Severe chest trauma involving fractured ribs or the sternum and damage to the heart and lungs can kill. A crushed chest may prevent the lungs from expanding properly. Broken ribs can puncture or collapse a lung. Direct trauma to the heart can cause fatal rhythm problems or cardiac arrest.

One of the most serious crash-related chest injuries is a traumatic aortic injury. The aorta is the body’s main artery. In a high-speed collision, sudden deceleration can tear the aorta, causing massive internal bleeding that is often fatal within minutes.

Chest injuries may occur when a victim hits the steering wheel, is restrained forcefully by a seat belt, is crushed in the vehicle, or is struck by another object during the crash. Airbags and seat belts save lives, but in severe collisions, the force involved can still cause catastrophic trauma.

Crush Injuries and Traumatic Amputations

Crush trauma can become fatal when heavy pressure damages muscles, nerves, and internal organs. A victim trapped inside a crushed vehicle may suffer severe blood loss, tissue death, shock, or crush syndrome.

Crush syndrome occurs when damaged muscle tissue releases toxins into the bloodstream. These toxins can overwhelm the kidneys and lead to kidney failure, dangerous electrolyte changes, cardiac arrest, or multi-organ failure. This can happen even after the victim is removed from the vehicle and receives medical care.

Traumatic amputations also create a high risk of death because of rapid blood loss, shock, infection, and life-threatening complications from emergency surgery. These injuries are more likely in high-speed crashes, underride truck accidents, motorcycle collisions, pedestrian impacts, and rollover crashes.

Burns and Smoke Inhalation

Burn injuries can be fatal when fire, explosion, chemicals, or hot vehicle components damage the skin, airway, or lungs. Severe burns cause fluid loss, infection risk, shock, and organ failure. The larger and deeper the burn, the harder it is for the body to survive.

Smoke inhalation can be just as deadly as the burns themselves. A victim trapped in a burning vehicle may inhale toxic gases, superheated air, or soot. This can damage the airway, reduce oxygen levels, and cause respiratory failure. In some cases, carbon monoxide poisoning prevents oxygen from reaching the brain and organs, leading to death even when visible burns are limited.

What Should Families Do If Their Loved Ones Sustained Fatal Injuries in a Car Accident?

• Request the crash report. Tennessee law requires crashes involving injury or death to be reported to law enforcement (TN Code § 55-10-102), and the report can become an important claim document.
• Preserve evidence. Keep photos, videos, dashcam footage, witness names, vehicle information, and insurance details.
• Do not dispose of the vehicle. Avoid repairing, selling, or junking the vehicle until an attorney determines whether it should be inspected.
• Identify all possible liable parties. The at-fault driver may not be the only responsible party. Liability may also involve a trucking company, rideshare company, employer, bar, vehicle manufacturer, road contractor, or government entity.
• Avoid recorded statements. Insurance companies may use small inconsistencies to dispute fault, minimize damages, or argue that the death was unrelated to the crash.
• Keep careful records of finances. Save medical bills, emergency treatment records, funeral expenses, burial costs, and insurer communications.
• Act before the deadline. Tennessee has a short statute of limitations for fatal accident claims, so delays can affect the family’s ability to recover compensation.
• Consult a Nashville wrongful death attorney. We can help preserve evidence, handle insurance companies, and protect the claim while the family grieves.

How an Experienced Car Accident Lawyer Can Help

When someone dies in a car accident, our Nashville car accident lawyers can help grieving families by:

• Preserving crash evidence, including black box data, dashcam footage, traffic-camera footage, 911 recordings, police reports, witness statements, and crash-scene photos.
• Investigating commercial vehicle cases, including truck driver logs, maintenance records, dispatch records, inspection reports, and company safety documents.
• Reviewing medical proof, including EMS records, emergency room records, hospital charts, imaging, surgical notes, autopsy findings, and medical examiner records.
• Determining whether the victim survived for any period after impact, which may affect claims for conscious or chronic pain and suffering.
• Calculating damages, including medical expenses, funeral and burial costs, lost financial support, loss of household services, loss of companionship, and other wrongful death damages.
• Identifying every liable party, which may include a negligent driver, trucking company, rideshare company, employer, bar, manufacturer, repair shop, road contractor, or government agency.
• Working with experts, such as accident reconstructionists, medical experts, economists, and financial specialists.
• Handling insurance companies, including adjuster calls, recorded-statement requests, settlement negotiations, and attempts to blame the victim.
• Filing a lawsuit when needed, if the insurer refuses to treat the fatal crash claim fairly.

Call us today for a free case review at 615-255-9999, or contact us online to discuss the specifics of your case.

FAQs

What motor vehicle crash types are most likely to cause fatal injuries?

The most common causes of car accidents, like speeding, distracted driving, and drunk driving, all increase the risk of fatal or life-threatening injuries. These accidents often result in rollovers, head-on collisions, or high-speed collisions that cause catastrophic damage.

What factors make car accident injuries more likely to be fatal?

Speed, point of impact, and vehicle size and weight are major factors in whether an accident results in loss of life. A T-bone collision with a commercial vehicle may result in immediate death for a passenger in a smaller vehicle.

Distracted driving and drug or alcohol use often mean higher-speed collisions with no aversive measures. Road conditions, such as slick pavement, can lead to rollovers or a head-on collision with traffic barriers, increasing the risk of death. Multiple impacts often mean more trauma, especially if the person cannot receive medical attention right away.

Seat belt usage and airbag deployment also matter. An individual who is ejected from the vehicle or trapped in a car with a crushed roof is more likely to be killed. Lastly, age and health can determine how well a person responds to medical treatment, impacting whether they survive the initial crash.

Who can file a wrongful death claim in Tennessee?

When determining who can file a wrongful death lawsuit in Tennessee, our car accident lawyers look at the next of kin first. This is typically the surviving spouse, child, or parent, depending on the person’s age and marital status.

What if the victim’s injuries turned fatal after seeking treatment?

You may still be able to recover damages if we can connect the cause of death to the accident. Damages would include post-accident medical care.

How long do families have to file a fatal car accident lawsuit in Tennessee?

The car accident statute of limitations in Tennessee is one year for personal injury (TN Code § 28-3-104), and Tennessee’s wrongful death statute of limitations is also one year. This means you need to act quickly to ensure you can receive compensation.