What is a level 2 brain injury?

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Level 2 — Generalized Response: Person reacts inconsistently and not directly in response to stimuli. Level 3 — Localized Response: Person reacts inconsistently and directly to stimuli. Level 4 — Confused/Agitated: Person is extremely agitated and confused.

What is the most common type of brain injury?

Concussion. A concussion, sometimes called a mild traumatic brain injury (mTBI), is the most common type of brain injury, accounting for hundreds of thousands of emergency room visits each year.

What is Level 1 head injury?

Signs of a Grade 1 Concussion – Low-Grade, Mild In a grade 1 concussion, you can experience a headache, difficulty focusing, memory loss, dizziness, and nausea. You can usually return to normal activities within a few days following a grade 1 concussion after the symptoms have fully passed.

What are types of brain injury?

Types of brain injury

Traumatic brain injury. Traumatic Brain Injury (TBI) is an injury to the brain caused by a trauma to the head (head injury)
Mild head injury and concussion.
Stroke.
Brain aneurysm.
Brain haemorrhage.
Brain tumour.
Carbon monoxide poisoning.
Encephalitis.

What is the difference between primary and secondary brain injury?

Whereas primary brain injury (focal and diffuse) results from mechanical injury at the time of the trauma, secondary brain injury is caused by the physiologic responses to the initial injury.

How many types of head injuries are there?

There are four main types of traumatic brain injuries. They are: Concussions. Contusions.

What is the difference between primary head injury and secondary head injury?

What are the 3 types of TBI?

What are the different types of TBI?

Closed brain injury. Closed brain injuries happen when there is a nonpenetrating injury to the brain with no break in the skull.
Penetrating brain injury. Penetrating, or open head injuries happen when there is a break in the skull, such as when a bullet pierces the brain.