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  2. Lumbar puncture - Wikipedia

    en.wikipedia.org/wiki/Lumbar_puncture

    Illustration depicting lumbar puncture (spinal tap) Spinal needles used in lumbar puncture Illustration depicting common positions for lumbar puncture procedure. The person is usually placed on their side (left more commonly than right). The patient bends the neck so the chin is close to the chest, hunches the back, and brings knees toward the ...

  3. Post-dural-puncture headache - Wikipedia

    en.wikipedia.org/wiki/Post-dural-puncture_headache

    70% if a needle between 1.067 mm (0.0420 in) and 1.651 mm (0.0650 in) is used. [2] On the Birmingham gauge, these correspond to the values 27–24G, 22–20G and 19–16G. [2] PDPH is roughly twice as common in lumbar puncture than spinal anaesthesia, almost certainly due to the atraumatic needles used in spinal anaesthesia. [24]

  4. Myelography - Wikipedia

    en.wikipedia.org/wiki/Myelography

    For those who had recently done lumbar puncture in one week time, there may be some cerebrospinal fluid (CSF) accumulates in the subdural space. Thus needle maybe mistakenly inserted into subdural space rather than the targeted subarachnoid space. [3] AP, lateral, and oblique radiographic views of the lumbar spine are taken.

  5. Epidural blood patch - Wikipedia

    en.wikipedia.org/wiki/Epidural_blood_patch

    The procedure is most often used to relieve PDPH following an epidural injection or lumbar puncture. Diagram of epidural catheter placement. Post dural puncture headache (PDPH) is a side of effect of spinal anesthesia, where the clinician accidentally punctures the dura with the spinal needle and causes leakage of CSF. Factors such as pregnancy ...

  6. Ultrasound-guided lumbar puncture - Wikipedia

    en.wikipedia.org/wiki/Ultrasound-guided_lumbar...

    Ultrasound-guided lumbar puncture is a medical procedure used in some emergency departments to obtain cerebrospinal fluid for diagnostic purposes. In contrast to standard lumbar puncture by palpation, the use of ultrasound imaging may reduce the number of failed punctures, needle insertions, and needle redirections. [1]

  7. Queckenstedt's maneuver - Wikipedia

    en.wikipedia.org/wiki/Queckenstedt's_maneuver

    Given normal anatomy, the intracranial pressure will be reflected as a rapidly rising pressure measured from the lumbar needle, within 10–12 seconds. If there is a stenosis in the spine, there will be a damped, delayed response in the lumbar pressure, thus a positive Queckenstedt's maneuver.

  8. Tuohy needle - Wikipedia

    en.wikipedia.org/wiki/Tuohy_needle

    Types of epidural needles include: [3] The Crawford Needle; The Tuohy Needle; The Hustead Needle; The Weiss Needle; The Sprotte Spezial Needle; Other Epidural Needles : Other less popular types are the Wagner needle (1957), the Cheng needle(1958), the Crawley needle (1968), the Foldes needle (1973), and the Bell needle (1975)—all variants of the Huber design with a blunted tip of varying ...

  9. Intracranial pressure - Wikipedia

    en.wikipedia.org/wiki/Intracranial_pressure

    More commonly, decreased ICP is the result of lumbar puncture or other medical procedure involving the spinal cord. Various medical imaging technologies exist to assist in identifying the cause of decreased ICP. Often, the syndrome is self-limiting, especially if it is the result of a medical procedure. [citation needed]