Spinal blockade/ Lumbar puncture
In this procedure (clinical) the needle is passed from the back into the skin between L2 and L3, or L3 and L4 or sometimes below L5. But L2 and L3 is widely used. The needle passes through the following layers
usually done either for anesthesia –
spinal anesthesia or to obtain
cerebrospinal fluid to test for
meningitis or encephalitis.
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