I Immunize - To make immune, especially against infection. Intubation - Passing a tube through the mouth, nose or throat to provide an airway. L Lethargy - The state of being sluggish or indifferent. Lithotripsy - A procedure that destroys kidney stones while they are in the kidney. The method used to obtain a sample of cerebrospinal fluid for testing.
Cerebrospinal fluid is a clear liquid that surrounds the brain and the spinal cord.
The pressure in the spinal column can be measured at the same time. The fluid is examined to see if it is clear or cloudy and to see if it contains any blood. It is then tested for viruses, bacteria, and other signs of infection. Under the usual circumstances, there is no risk from a lumbar puncture. Lymph - A colorless fluid found in the tissues or organs of the body.