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adv pos myelography

advanced positioning myelography

QuestionAnswer
Myelography the radiographic study of CNS structures within the vertebral canal
Contrast is injected where during myelography? the subarachnoid space
What interspace is used for the needle placement? L2-L3 or L3-L4 or C1-2
Causes of spinal cord compression herniated disk, bone fragments, tumors, swelling from trauma
Contraindications for myelography blood in the CSF, arachnoiditis, increased ICP, recent LP
Types of contrast used for myelography include: (water soluble non-ionic) iohexol, iopamidol, ioversol
How much contrast is used for a myelogram? 9-12 ml
Fenestrated drape drape with a hole in the middle
What gauge needle is used for a myelogram? 20-22
Patient prep for a myelogram includes what? ensuring the patient is hydrated and that the exam and possible complications are explained.
Patient position for a myelogram prone with pillow under abdomen. Spine flexed for lateral
How do we ensure proper needle placement? the rad draws CSF
How should tubes of CSF be labeled? in the order they were drawn
How much and why is the head elevated for a cervical myelogram? 30-45 degrees to keep the contrast from entering the ventricles
What position is the neck in for cervical myelograms? hyperextension
How long is the recovery time for a myelogram? 4-8 hours
Typical abnormal findings for a myelogram include: deformity within the subarachnoid space, and obstruction of the flow of contrast
Created by: annaluz87