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10 Cards in this Set
- Front
- Back
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cerebral angiography
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Process of making an x-ray record of the cerebral arterial system. A radiopaque substance is injected into an artery of the arm or neck, and x-ray films of the head are taken to visualize cerebral aneurysms, tumors, or ruptured blood vessels.
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cerebrospinal fluid (CSF) analysis
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Examination of spinal fluid for color, pressure, pH, and the levels of protein, glucose, and leukocytes. Abnormal results can indicate hemorrhage, tumor, and various disease processes.
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computed tomography CT
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Diagnostic procedure used to study the structure of the brain. Computerized three-dimensional x-ray images allow the radiologist to differentiate among intracranial tumors, cysts, edema, and hemorrhage.
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echoencephalography
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Process of using ultrasound to determine the presence of a centrally located mass of brain.
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electroencephalography (EEG)
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Process of measuring the electrical activity of the brain via electroencephalograph. Abnormal results can indicate epilepsy, brain tumor, infection, abscess, hemorrhage, and/or coma. Also, brain "death" can be determined by an EEG.
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lumbar puncture (LP)
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Insertion of a needle into the lumbar subarachnoid space for removal of spinal fluid. The fluid is examined for color, pressure, level of protein, chloride, glucose, and leukocytes.
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myelogram
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X-gray of the spinal canal after the injection of a radiopaque dye. Useful in diagnosing spinal lesions, cysts, herniated disks, tumors, and nerve root damage.
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neurological examination
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Assessment of a patient's vision; hearing; sense of taste, smell, touch, and pain; position; temp; gait; and muscle strength, coordination, and reflex action to determine neurological status.
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positron emission tomography (PET)
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Computer-based nuclear imaging procedure that can produce three-dimensional pictures of actual organ functioning. Useful in locating brain lesion, identifying blood flow and oxygen metabolism in stroke patients, showing metabolic changes in Alzheimer disease, and studying biochemical changes associated with mental illness.
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ultrasonography, brain
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Use of high-frequency sound waves to record echoes on a oscilloscope and film.
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