Author: Glossary
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Traumatic amnesia
Amnesia caused by sudden injury to the brain.
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Selective amnesia
Inability to remember events that occurred at the same time as other experiences that are recalled.
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Posttraumatic amnesia
A state of agitation, confusion, and memory loss that the patient with traumatic brain injury (TBI) enters soon after the injury or on awakening from coma. Edema, hemorrhage, contusions, shearing of axons, and metabolic disturbances impair the brain’s ability to process information accurately, resulting in unusual behaviors that often are difficult to manage. Trauma patients…
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Lacunar amnesia
Loss of memory for isolated events.
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Ammonium thiosulfate
The chemical in fixing solution that removes unexposed silver bromide crystals from radiographic film during the development process. Liquid fixer that clears the film by dissolving unexposed, undeveloped silver bromides.
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Ammonium hydroxide
A solution of ammonia in water, used as a household cleaner and a refrigerant; NH4OH.
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Ammonium chloride
A compound used as an expectorant and as an acidifier in treating acid-base balance; NH4C1.
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Ammonium carbonate
A compound used in preparing aromatic ammonia spirit; (NH4)2C03.
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Ammonium alum
Aluminum ammonium sulfate, an astringent.
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Aammoniemia
Excessive ammonia in the blood. Normally, only faint traces of ammonia are found in the blood. Increased amounts are due to a pathological condition such as impaired fiver function.