myelography Word Scramble
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| Question | Answer |
| what is a myelography | a radiographic study of spinal cord & nerve root branches using a contrast medium. |
| what is the most common myelography | lumbar and cervical |
| what has myelography been replaced by | CT and MRI. |
| why is a myelography done | performed to indicate the presence of a lesion in the spinal canal. |
| what is the most common lesion | HNP-herniated nucleus pulposus |
| what are the contraindications for a myelography | blood in the csf,arachnoiditis,recent lumbar puncture within a week,increased intracranial pressure |
| what is the patient preparation | sedative is given 1hr prior,explanation of the procedure, informed consent is signed. |
| where should the placement of the needle be for a myelography | puncture through the subarachnoid space |
| what are the 2 locations for puncture | lumbar L3-L4cervical C1-C2 |
| how is the needle placement site found | using flouro |
| how is the patient positioned for a lumbar | prone with lumbar area propped up to flex the spine. |
| how is the patient positioned for a cervical | erect with head flexed or proned with head flex |
| what is to num the area | local(lydocaine) administered using a 5ml syringe & 22/25g needle |
| what area/space is the needle inserted through | the subarachnoid space |
| what size needle is used to inject contrast to the spinal | 20 ml syringe |
| what kind of contrast media is used | nonionic water soluble iodine base,excreted easily by the kidneys |
| what are the positions used throughout the procedure | PA and x-table lateral |
| after the procedure is done,why does the pt need to lay flat for about an hour | to prevent a spinal headache,let the fluid balance back out. |
| what is a cauda equina | very end of the spinal cord |
| where does the spinal cord ends at | S1 |
Created by:
ambey
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