Concussion Glossary of Terms

The following are health and medical definitions of terms that appear in the Concussion article.

Acetaminophen: A nonaspirin pain reliever or analgesic. Acetaminophen may be given alone t...

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Amnesia: An impairment to or lack of memory. Antegrade amnesia refers to a lack of memory ...

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Aspirin: Once the Bayer trademark for acetylsalicylic acid, now the common name for this a...

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Asymptomatic: Without symptoms. For example, an asymptomatic infection is an infection wit...

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Brain: The portion of the central nervous system that is located within the skull. It func...

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Brain swelling: See: Cerebral edema.

Bruise: Injury of the soft tissues that results in breakage of the local capillaries and l...

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Bumps: The raised area of a bump or bruise results from blood leaking from these injured b...

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CAT scan: Computerized axial tomography scan. CAT scanning is a painless X-ray test in whi...

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Cognition: The process of knowing. Cognition includes both awareness and judgment.

Cognitive: Having to do with thought, judgment, or knowledge.

Concussion: A traumatic injury to soft tissue, usually the brain, as a result of a violent...

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CT scan: Computed tomography scan. Detailed images of internal organs are obtained by this...

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Cuts: Severed skin. Washing a cut or scrape with soap and water and keeping it clean and d...

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Cyst: A closed sac or capsule, usually filled with fluid or semisolid material.

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Diagnosis: 1 The nature of a disease; the identification of an illness. 2 A ...

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Dizziness: Painless head discomfort with many possible causes including disturbances of ...

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Edema: The swelling of soft tissues as a result of excess fluid accumulation. Edema is oft...

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Emergency department: The department of a hospital responsible for the provision of medica...

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Exacerbate: To make worse. For example, smoking may exacerbate lung disease.

Fracture: A break in bone or cartilage. Although usually a result of trauma, a fracture ca...

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Head injury: Damage to any of the structures of the head as a result of trauma. While the ...

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Headache: A pain in the head with the pain being above the eyes or the ears, behind the he...

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Hematoma: A localized swelling that is filled with blood caused by a break in the wall of ...

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Ibuprofen: A nonsteroidal anti-inflammatory drug (NSAID) that is commonly used to treat pa...

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Injury: Harm or hurt. To harm, hurt, or wound. The word injure may be in physical or emot...

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Iodine: An element in the diet that is essential for the manufacture of hormones by the th...

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Laceration: A cut.

Leptomeningeal: Having to do with the leptomeninges, the two innermost layers of tissues t...

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Long-term memory: A system for permanently storing, managing, and retrieving information f...

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Medical history: 1. In clinical medicine, the patient's past and present which may ...

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Memory: 1. The ability to recover information about past events or knowledge. ...

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MRI: Magnetic resonance imaging.

Nausea: Stomach queasiness, the urge to vomit. Nausea can be brought on by many causes, in...

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Neck: The part of the body joining the head to the shoulders. Also, any narrow or constric...

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Neurologist: A physician who specializes in the diagnosis and treatment of disorders of th...

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Neurology: The medical specialty concerned with the diagnosis and treatment of disorders o...

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Neurosurgeon: A physician who specializes in surgery on the brain and other parts of the n...

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Nose: The external midline projection from the face. The purpose of the nose is to warm, c...

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Pain: An unpleasant sensation that can range from mild, localized discomfort to agony. Pa...

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Platelet: An irregular, disc-shaped element in the blood that assists in blood clotting....

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Primary care: A patient's main source for regular medical care, ideally providing continui...

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Prognosis: The forecast of the probable outcome or course of a disease; the patient's chan...

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Psychiatric: Pertaining to or within the purview of psychiatry, the medical specialty conc...

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Saline: Relating to salt. As an adjective, "saline" means "salty, containing salt." As a n...

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Scan: As a noun, the data or image obtained from the examination of organs or regions of...

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Short-term memory: A system for temporarily storing and managing information required to ...

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Skull: The skull is a collection of bones which encase the brain and give form to the hea...

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Symptom: Any subjective evidence of disease. In contrast, a sign is objective. Blood comin...

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Symptomatic: 1 With symptoms, as a symptomatic infection. 2 Characteristic o...

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Syndrome: A combination of symptoms and signs that together represent a disease process.

Topical: Pertaining to a particular surface area. For example, a topical agent is applied ...

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Trauma: A physical or emotional injury.

Tylenol: See: Acetaminophen.

Unconscious: 1. Interruption of awareness of oneself and one's surroundings, lack ...

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Vomit: Matter from the stomach that has come up into and may be ejected beyond the mouth, ...

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Warfarin: An anticoagulant drug (brand names: Coumarin, Panwarfin, Sofarin) taken to prev...

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Medical Dictionary