Noun
removal by centesis of fluid from the subarachnoid space of the lumbar region of the spinal cord for diagnostic or therapeutic purposes
Source: WordNetAbout one third of people experience a headache after lumbar puncture. Source: Internet
A lumbar puncture may be useful to diagnose a central nervous system infection but is not routinely needed. Source: Internet
Analysis of the patient's cerebrospinal fluid (CSF), which is collected by a lumbar puncture ("spinal tap"), reveals an increased number of white blood cells (primarily lymphocytes ) and a mildly elevated protein level. Source: Internet
A lumbar puncture can be performed after the MRI or at the time of CT myelography. Source: Internet
Depending on the presumed cause blood tests and/or lumbar puncture may be useful. citation Hypoglycemia may cause seizures and should be ruled out. Source: Internet
However a lumbar puncture should never be performed if increased intracranial pressure is suspected due to certain situations such as a tumour, because it can lead to brain herniation and ultimately death. Source: Internet