Closed-head injury

Closed-head injury is a type of traumatic brain injury in which the skull remains intact. It is caused by a blow to the head or a sudden, violent motion that causes the brain to knock against the skull. Closed-head injuries are the leading cause of death in children under 4 years old and the most common cause of physical disability and cognitive impairment in young people.

Causes

Closed-head injuries are most often caused by motor vehicle accidents, falls, and violent assaults. They can also occur as a result of sports injuries, especially in contact sports such as football and boxing. The severity of the injury can vary greatly, from a mild concussion to a severe brain injury.

Symptoms

The symptoms of a closed-head injury can vary greatly depending on the severity of the injury. They may include:

• Headache
• Dizziness
• Nausea or vomiting
• Confusion or disorientation
• Memory loss
• Difficulty speaking or understanding speech
• Loss of balance or coordination
• Blurred vision or other vision problems
• Mood changes, such as depression or anxiety
• Seizures

Diagnosis

Diagnosis of a closed-head injury is typically made based on the patient's symptoms and a physical examination. Imaging tests such as a CT scan or MRI may be used to confirm the diagnosis and assess the severity of the injury.

Treatment

Treatment for a closed-head injury depends on the severity of the injury. Mild injuries may only require rest and over-the-counter pain relievers. More severe injuries may require hospitalization, surgery, and rehabilitation therapy.

Prognosis

The prognosis for a closed-head injury depends on the severity of the injury, the patient's age and general health, and the speed and effectiveness of treatment. Some people recover fully from mild injuries, while others may have long-term problems such as memory loss, difficulty concentrating, and mood changes.

Prevention

Prevention of closed-head injuries involves taking safety precautions such as wearing seat belts, using helmets when participating in risky activities, and making homes safer for children and older adults.

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