Chap 15, Clinical Procedures Flashcards Preview

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Flashcards in Chap 15, Clinical Procedures Deck (11)


Surgical puncture to remove fluid from the joint space. Synovial fluid is removed for analysis.



Taking x-ray images after injection of contrast material into a joint.



Surgical repair or replacement of a joint (with prostheses); total hip replacement (THR) and total knee replacement (TKR) are examples. Other examples of arthroplasties are resection arthroplasty (small portion of a bone is removed to repair the joint; acromioclavicular joint is a common location), interposition arthroplasty (new tissue taken from another place is placed between damaged surface of elbow joint, and revision arthroplasty (an operation to replace a failing prosthetic joint).



Visual examination of a joint with an arthroscope and television camera. An orthopedist passes small surgical instruments into a joint (knee, shoulder, ankle, wrist, hip) to evaluate and/or remove and repair damaged tissue.


bone density test (bone densitometry)

Low-energy x-ray absorption in bones of the spinal column, pelvis, and wrist is used to measure bone mass. An x-ray detector measures how well x-rays penetrate through bones. Areas of decreased density indicate osteopenia and osteoporosis. Also called dual-energy x-ray absorptiometry (DEXA or DXA).


bone scan

Uptake of a radioactive substance is measured in bone. A nuclear medicine physician uses a special scanning device to detect areas of increased uptake (tumors, infection, inflammation, stress fractures).


computed tomography (CT)

X-ray beam and computer provide cross-sectional and other images. CT scans identify bone abnormalities, and musculo-skeletal trauma.



X-ray examination of cervical or lumbar intervertebral disk after injection of contrast into nucleus pulposus (interior of the disk).


electromyography (EMG)

Recording the strength of muscle contraction as a result of electrical stimulation.


magnetic resonance imaging (MRI)

Magnetic field creates images of soft tissue. MRI shows soft tissue conditions in greater detail than that achieved with CT.


muscle biopsy

Removal of muscle tissue for microscopic examination.

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