A lumbar puncture is a medical procedure that is usually performed in order to obtain a sample of cerebrospinal fluid. The procedure is sometimes referred to as a spinal tap. Cerebrospinal fluid is the fluid that surrounds the spinal cord and brain. Characteristics of the spinal fluid can indicate certain medical conditions and infections. What Does Lumbar Puncture Do? A lumbar puncture may be done for a few different reasons. It is used to diagnose certain medical conditions, such as meningitis, myelitis, and demyelinating diseases (such as multiple sclerosis). In addition, the procedure can also diagnose cancers that affect the spinal cord and brain. Once obtained, the fluid is tested for the presence of protein and glucose, as well as for red and white blood cell levels. It is also analyzed to determine the presence of bacteria or a virus. Who Benefits from a Lumbar Puncture? Anyone who suspects a medical condition such as meningitis or encephalitis can benefit from a lumbar puncture. The quicker an accurate diagnosis is made, the sooner appropriate treatment can be started. Some conditions, such as bacterial meningitis, can be fatal if they are not treated quickly. What Are the Side Effects of a Lumbar Puncture? The most common side effect of a lumbar puncture is a headache (Harvard Medical School). Lying down for a few hours after the procedure may reduce the risk of developing a headache. Epidural blood patches can also be used to treat headaches after a lumbar puncture. healthline/health/lumbar-puncture
Posted on: Fri, 15 Nov 2013 12:10:50 +0000
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