quiz Flashcards
What accessory equipment are included in the sterile tray for knee arthrogram
prep sponge, fenestrated drape, syringes, flexible connector, needles
Positive and negative contrast administered in knee joint dual contrast arthrogram
50ml positive & 80-100ml neg (C02 or air)
Myelogran may be contraindicated if the pt had lumbar puncture within what timeframe?
2 weeks
where is contrast media instilled during a myelogran
subarachnoid space
most common clinical indication for myelogram
herniated nucleus pulposus
most common injection site for myelogram
L3-L4
why is a positioning block placed under abdomen for lumbar puncture
to widen interspinous spaces
average contrast dose for myelogram
9-15ml
most common type of contrast for myelogram
nonionic water soluble iodine based
Position for lumbar myelogram
semi-erect horizontal lateral
clinical indications for myelogram
HNP, tumors, cysts, trauma
contraindications for myelogram
blood in csf, arachnoditis, increased intracranial pressure, recent lumbar puncture
what spine regions do most disk pathologies occur in
lumbar and cervical
possible inj site for myelogram if condition contraindicates L3-L4
Cervical C1-C2
additional position other than prone for cervical puncture
erect C1-C2
how is water-soluble contrast eliminated after myelogram
through the kidneys
during arthrogram why is knee flexed following injection of contrast
to coat the soft tissue structures with contrast
why is supine AP rarely taken during thoracic myelogram
due to kyphotic curvature of t spine
positioning routine for cervical myelography
horizontal beam lateral, horizontal lateral swimmers
indications for knee arthrography
tears in joint capsule, tears or degeneration of menisci, ligament injury
what size needle is used for contrast during shoulder arthrogram
2 3/4 - 3 1/2 inch spinal needle
projections for shoulder arthrogram
scout AP, internal/external rotation, AP oblique (glenoid fossa), transaxillary or intertubercular groove (fisk)
when is a epidural blood patch performed?
when pt has had previous lumbar puncture and has experienced a csf leak
