While playing tennis, a client suffers an injury to the knee. Which diagnostic test would the nurse anticipate the health care provider ordering to identify soft tissue injury?
1. X-Ray
2. MRI
3. Arthroscopy and thermography of joint
4. Duplex venous doppler
Answer: 2
An MRI records the signals from the cells in a manner that provides information to evaluate soft tissue structures (tumors, blood vessels). An x-ray would be useful in diagnosing fractures. Arthroscopy is used for visualizing the joints, and thermography uses an infrared detector to measure inflammatory response in a joint. A duplex venous Doppler is an ultrasound of the veins most useful in determining deep vein thrombosis. (Ignatavicius, Workman,76 ed., p. 1115.)
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