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Tag Archives: Lumbar puncture

Indications of a Lumbar Puncture

A lumbar puncture (LP, also known as a spinal tap) is a diagnostic and at times, therapeutic medical procedure. Diagnostic indications The main diagnostic indications of performing a LP is for collection and evaluation of cerebrospinal fluid (CSF) for diagnosis and exclusion of infectious, inflammatory ...

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Performing the Lumbar Puncture (Part 1)

In the video shown here, the patient is in the left lateral recumbent position. The lumbosacral region of the patient is clearly exposed. The doctor has put on sterile gloves and is applying disinfectant over the lumbar region. Sterile draping is then applied as shown ...

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Performing the Lumbar Puncture (Part 2)

By palpating onto the iliac crest and spinal processes of the back, the site of needle puncture for lumbar puncture (LP) is identified. As the spinal cord ends at the level of L2 in adults, the spinal needle can be inserted safely between the L3/4 ...

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Normal and Abnormal Cerebrospinal Fluid

Normal Cerebrospinal Fluid The photos shown here is that of normal cerebrospinal fluid after a lumbar puncture. Normal cerebrospinal fluid is colourless and odorless. Xanthochromia The cerebrospinal fluid here shows xanthochromia (Figure 1), meaning of yellow discolorization. Presence of xanthrochromia means that there is presence of ...

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