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Musculoskeletal system - Q – Diagnostic Test & Procedure & A – Meaning

QuestionAnswer
electromyogram (EMG) a neurodiagnostic, graphic record of the electrical activity of muscle both at rest and during contraction; used to diagnose neuromusculoskeletal disorders (e.g., muscular dystrophy); usually performed by a neurologist
magnetic resonance imaging (MRI) a nonionizing (no x-ray) imaging technique using magnetic fields and radiofrequency waves to visualize anatomic structures; useful in orthopedic studies to detect joint, tendon, and vertebral disk disorders (see MRI of knee in Chapter 2, Fig. 2-13)
nuclear medicine imaging an ionizing imaging technique using radioactive isotopes
bone scan a nuclear scan (radionuclide image) of bone tissue to detect a tumor, malignancy, etc. (see Fig. 2-12B, whole body bone scan)
radiography an imaging modality using x-rays (ionizing radiation); commonly used in orthopedics to visualize the extremities, ribs, back, shoulders, and joints (see Fig. 2-10)
arthrogram a radiograph of a joint taken after the injection of a contrast medium
computed tomography (CT) (Fig. 4-18) a specialized x-ray procedure producing a series of cross-sectional images that are processed by a computer into a two-dimensional or three-dimensional image (see Fig. 2-11
computed axial tomography (CAT) for an explanation of the principles of CT technology)
sonography ultrasound imaging; a nonionizing technique that is useful in orthopedics to visualize muscles, ligaments, displacements, and dislocations or to guide a therapeutic intervention, such as that performed during arthroscopy
Created by: shachi.pandit
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