Myelography
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| show | -radiologic exam of central nervous system structures within the spinal canal
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| Most common site of contrast injection | show 🗑
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| Injection site for cervical exams | show 🗑
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| Structure that contrast is injected into | show 🗑
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| show | -31
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| Spinal cord ends at the level of | show 🗑
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| Spinal cord ends in a point called | show 🗑
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| show | -L5-S1
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| show | -opaque non-water-soluble / water-soluble nonionic iodinated / gas- air or O^2 (rarely used)
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| Pantopaque | show 🗑
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| Metrizimide | show 🗑
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| show | -2nd generation; method of choice for cervical (or Pan myelogram)
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| Omnipaque 180 | show 🗑
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| Type of contrast preferred due to fewer side effects | show 🗑
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| 2 Disadvantages of pantopaque (and other non-water soluble contrast) | show 🗑
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| 2 Advantage of water-soluble contrasts | show 🗑
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| Common pt. positions (to open intervertebral spaces) | show 🗑
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| show | -some CSF removed
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| Used to control direction and flow of contrast after injection | show 🗑
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| show | -to compress cisterna magna which prevents contrast from reaching ventricles
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| show | - HNP (herniated nucleus pulposus), slipped disc
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| show | -complete myelogram (cervical and lumbar)
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| show | -HNP / bone fragments / tumors / swelling of spinal cord (due to injury)
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| Incomplete or partial dislocation of a vertebral body; usually due to injury | show 🗑
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| 2 Causes of compression fx | show 🗑
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| 750,000 Americans are affected by this type of spinal pathology each year | show 🗑
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| show | -Spina Bifida
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| Forward displacement of one vertebra over another; commonly L5-S1 & L4-L5 | show 🗑
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| Inflammation of vertabrae | show 🗑
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| show | -Scoliosis
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| Of the 4 types of Scoliosis, these 2 are most common | show 🗑
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| 4 Contraindications | show 🗑
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