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contrast arthrograph
contrast arthrography
| Question | Answer |
|---|---|
| - the radiographic exam of the soft tissue structures of joints after the injection of contrast media | contrast arthrography |
| Water-soluble iodinated contrast material and air are used to? | visualize the joints |
| Which joints is contrast arthrography preformed on? | knee, wrist, hip, shoulder, and TMJ |
| What type of joints are the knee, wrist, hip and shoulder? | diarthrodial joint |
| What is the most frequent site of contrast arthrography? | the knee |
| What are the soft tissue structures of concern when doing a contrast arthrography? | ligaments, torn meniscus, articular cartilage, bursae, Baker's cysts and complete and incomplete rotator cuff tears |
| What connects bone to bone? | ligaments |
| Why type of needles are typicaly used in contrast arthrography of the hip and shoulder? | spinal needles |
| What is the process for joint effusion? | joint effusion before contrast administration |
| How is contrast administered? | under fluoroscopy |
| What does a stress device do? | allows for better distribution of the contrast material around the meniscus |
| What method is used with knee arthrography? | horizontal ray method |
| What contrast materials are used for knee arthrography? | water-soluble idoinated and air |
| To demonstrate the medial meniscus, how is the patient positioned? | semiprone with medial meniscus up |
| What improves outlining of the knee joint structures? | horizontal beam position and small amts of each of the two contrast agents |
| What is the result of excess heavy iodinated solutions ? | they drain into the dependent part of the joint, leaving a thin opaque coating on the gas-enevloped uppermost part being imaged |
| What is the common puncture site for hip arthrography? | 3/4" distal to the inguinal crease and 3/4" lateral to palpated femoral pulse |
| Shoulder arthrographyis used to evaluate what conditions? | partial or complete tears in rotator cuff or glenoid labrum persistent pain or weakness frozen shoulder |
| - small, oval fibrocartilage located between mandibular condyle and mandibular fossa | articular disk |
| What has replaced TMJ arthrography? | CT and MRI |
| Why is fluoroscopy used in examining TMJ? | to observe and image mandibular motion |
| How is the mouth positioned in projections of TMJ? | with pt mouth closed, partially open and fully open |
Created by:
erikasmith28
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