csf glucose…

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what the risks are csf glucose, test to measure the amount, sugar, glucose, cerebrospinal fluid, csf, csf, clear fluid that circulates, in the space surrounding the spinal cord, brain, abnormal levels of glucose in csf suggest pathology, in the central nervous system, test, performed on a csf specimen collected by lumbar puncture, spinal tap, cerebrospinal fluid is analyzed, in the lab, patient is asked, either sit up, lie down on his side, back parallel, bed, chin tucked under, legs curled, in the fetal position, healthcare provider, use the bony protrusions, the hip, the most appropriate location to remove fluid, l3-l4 vertebral level, next, iodine, clean off the area, a sterile sheet is draped over the surrounding area, in infants, small children, a local anesthetic cream, numb the skin, applied, 1 hour, in adults, lidocaine is first injected right below the skin, deeper such that tissue beneath the skin, numbed, a thin, 20-gauge needle is then inserted, interspace between the vertebrae, spine bones, depending on how much subcutaneous tissue there, require shallow, deeper penetration, the needle, an audible pop, the needle penetrates the dura, membrane that surrounds the spinal cord, encases the fluid, fluid, flow out, the needle to be collected in plastic containers, under normal circumstances, opening pressure, measured, a manometer, 20-30 cc of spinal fluid is collected, sent, evaluation under the microscope, in experienced hands there should not be any pain, a feeling of pressure, the needle is inserted but, appropriate anesthetic, should not hurt, feel numbness shooting down the leg, due to irritation of a nerve root, the needle is withdrawn, following the procedure, remain lying down, an hour, two, prevent low-pressure headaches, entire procedure takes approximately 20 minutes, abnormalities of csf glucose levels suggest bacterial, fungal infections, tumor, an inflammatory process, in the central nervous system, a finding of elevated, decreased csf glucose, diagnose the problem, in the context of other tests, glucose levels, between 50 to 80 mg/100 ml, levels, depending on the amount, glucose, in the blood, level, in the csf, 2/3 the level, in the blood, mg/ml = milligrams per milliliter, abnormal results include increased, decreased glucose levels, finding of an abnormal glucose, in the csf is useful in diagnosing tumor, infection, inflammation, delirium, neurological, risks of lumbar puncture, hypersensitivity, allergic, reaction, anesthetic, discomfort, headache, bleeding, spinal canal, brain herniation, performed on a person, increased intracranial pressure, resulting in brain damage, death, test is not performed in patients, ct/mri, clinical findings suggestive of increased intracranial pressure, spinal cord, does not occur, the needle is inserted below the level that the spinal cord ends, needle, irritate a nerve root which results in transient numbness, tingling, in the leg, goes away, the needle is re-adjusted.