Head Injury Research Paper

Traumatic Brain Injury or Head Injury
A head injury occurs as a result of trauma to the scalp, skull or brain. Head injuries are classified as closed, in which there is no cut or laceration to the skin, or penetrating, in which the skin and/or bone of the skull is broken. Traumatic brain injuries range from mild (called mild traumatic brain injury) to severe.
The symptoms of a head injury may occur immediately following trauma, or they may develop slowly over several hours or days. Specific types and symptoms of head injuries include:
• Concussion: Also called a mild traumatic brain injury. This includes injuries to the brain that are caused by a blow to the head or body, a fall, or another trauma that jars or shakes the brain inside the skull. People who suffer from concussions may not always exhibit symptoms that are apparent to others. Symptoms of a concussion and minor head injuries include: o loss of consciousness for a few seconds to a few minutes o confusion; memory and/or concentration problems o dizziness o headache o memory loss (amnesia) of events before the injury or immediately after it o nausea and vomiting o altered level of consciousness, such as being drowsy or difficult to awaken
• Contusion: A bruise of the brain tissue often associated with swelling
(edema) and an increase in pressure within the skull, called intracranial pressure (ICP). Symptoms of raised pressure within the brain and skull include: o Dilated pupils o High blood pressure o Low pulse rate and abnormal breathing.
• Fracture: A crack or break in the skull, with or without a laceration to the skin. Symptoms of a skull fracture include: o Tenderness o Swelling o Skull deformity o Bruising around the eyes or behind the ear o Clear fluid leaking from the nose or ear.
• Bleeding: Bleeding in the brain, also called a hemorrhage, is a potentially life-threatening condition and in many cases may require urgent attention by a neurosurgeon.
A brain hemorrhage occurs when a blood vessel in the brain bursts, causing bleeding into surrounding tissue, swelling and increased intracranial pressure. Blood may also collect and form a clot, called a hematoma. In an epidural hematoma, the clotting occurs between the inside of the skull and the outer, strong membranous covering of the brain (called the dura mater). Blood that collects beneath the dura mater is called a subdural hematoma. Symptoms of bleeding in the brain, which may gradually worsen or suddenly appear,
include: o Sudden severe headache o Seizures o Nausea or repeated vomiting o Lethargy o Weakness in an arm or leg o Loss of consciousness.
• Shear injury (also called diffuse axonal injury): This type of injury results when the brain bounces violently against the inside of the skull. Nerve fibers that extend from central body of a nerve cell are stretched or torn, permanently damaging the brain cells and causing other complications within the nervous system. The main symptom of a shear injury is a prolonged loss of consciousness.
In infants and toddlers who cannot communicate, signs of a head injury include:
• a child that is not acting or behaving normally
• vomiting
• scalp lacerations and swelling
• seizures
Patients who exhibit symptoms of a head injury should seek immediate medical attention (Injury, 2015).