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ARTHROGRAPHY
QUIZ
| Question | Answer |
|---|---|
| What is arthrography? | it is the study of synovial joints and related soft tissue structures such as tendons, ligaments, muscles, bursae, cartilage & joint capsules |
| What are the reasons an arthrogram may be done? | to find the cause of persistent pain, swelling, or abnormal joint movement. It may also be done to detect a loose prosthesis or congenital abnormality. |
| What may be demonstrated on an arthrogram? | things such as tendon, ligament and cartilage tears, degenerative disease of the joints & cartilage, & cysts. |
| Arthrography may be done by itself or in conjunction | with a CT or MRI scan. |
| This modality has largely replaced arthrography for evaluation of the soft tissue structures of joints. | MRI |
| This is one reason that arthrography will always be needed despite MRI | Some patients cannot have an MRI due to internal metal from surgical procedures or for those who have had an inconclusive or negative MRI and still exhibit symptoms |
| These are typical joints studied with arthrography | Hip, Knee, Ankle, Shoulder, Elbow, Wrist, & TMJ's |
| The Two most common arthrography procedures are | Knee and Shoulder |
| Arthrograms are done in radiographic rooms with | Fluoroscopy & Overhead Tubes |
| Arthrography requires the use of a sterile | arthrogram tray |
| Some items included in the arthrogram tray include | Razor Sterile gloves (3) skin prep sponges Antiseptic solution (betadine) Gauze Sponges Fenestrated drape (2) 10 ml syringes (for xylocaine + iodinated contrast) (1) 50 ml syringe (used to inject room air) Plastic connecting tubing |
| Two other items on the sterile tray are | 5ml ampule of xylocaine adhesive bandage (Band-Aid) |
| The contrast media used for arthrography is | Iodinated water-soluble media Room Air |
| The purpose of a knee arthrogram is | to demonstrate the joint capsule, bursae, menisci, collateral, cruciate & other minor ligaments of the knee |
| When is a knee arthrogram generally done? | when tears of the joint capsule, menisci, or ligaments are suspected |
| What is needed for preparation of a knee arthrogram? | patients signed consent form, patient must be questioned about any allergy to iodine |
| If the patient is on anticoagulant therapy, their medications may need to be | withheld for a period of time prior to the procedure |
| What if any, clothing must be removed before the procedure is started? | Pants must be removed so they will not be in the way of the knees |
| Two images will be taken before the procedure is started | A Scout AP, and a Lateral knee image will be done and shown to the radiologist |
| The patient position should be | supine on the x-ray table |
| What will be done after the patient is positioned | knees will be shaved with a razor if necessary. Gloves will be put on & injection site will be prepped with betadine soaked sponges. Gauze should be used to dry the area & knee will be covered with a fenestrated drape. |
| Injection site should be anesthetized with a numbing agent called | xylocaine |
| The patients knee is gently flexed for this reason | to evenly mix and spread the contrast/air that's been injected |
| For imaging the patient will be placed in this projection on the x-ray table | prone |
| This anatomy is demonstrated in the spot images | Medial and Lateral menisci in profile |
| This anatomy is demonstrated on the AP & Lateral images | The entire articular joint capsule |
| Shoulder arthrography is done for this purpose | to demonstrate the joint capsule, rotator cuff, long tendon of the biceps & the articular cartilage |
Created by:
ABIGAILDRAKE1984
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