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Electrodiagnostic Studies

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Newsletter Articles
Guides Newsletter (2016) 21 (2): 11–13.
Published: 01 March 2016
... tool that defines the location, pathophysiology, severity, and chronicity of a wide array of neuromuscular disorders. It is comprised of 2 parts: a nerve conduction study (NCS) and needle electromyography (EMG). The electrodiagnostic evaluation is an extension of the neuromuscular portion...
Newsletter Articles
Guides Newsletter (2015) 20 (2): 11.
Published: 01 March 2015
... in an electrodiagnostic report to the criteria in Appendix 15-B, Electrodiagnostic Evaluation of Entrapment, as explained in Section 15.4f, and determine the severity of the test findings as listed in Table 15-23. Physicians who perform nerve conduction studies often use their own definitions of mild, moderate...
Newsletter Articles
Guides Newsletter (2004) 9 (5): 6–12.
Published: 01 September 2004
...Mitchell K. Ross, MD Electrodiagnosis is a quantitative electrophysiologic test that may identify and localize the site of neurologic dysfunction and detect subclinical changes and compensatory processes. Electrodiagnostic (EDX) studies useful in evaluating the peripheral nervous system and spinal...
Newsletter Articles
Guides Newsletter (2015) 20 (1): 3–8.
Published: 01 January 2015
..., anterior interosseous, Wartenberg's syndrome, and radial tunnel syndrome. Very mild nerve entrapments do exist and may fail to meet the AMA Guides criteria for impairment related to a diagnosis of nerve entrapment. Electrodiagnostic examination includes nerve conduction studies that assess the largest...
Newsletter Articles
Guides Newsletter (2000) 5 (6): 14.
Published: 01 November 2000
...: “Was the electrodiagnostic study performed with reliable equipment?” The author has requested the answer to read: “Some physicians have tried to incorporate more “cost-effective” devices as portable screening tools for measuring distal sensory or motor latencies.” References # 7 and # 8 are deleted. ...
Newsletter Articles
Guides Newsletter (2000) 5 (5): 10.
Published: 01 September 2000
... © 2000 American Medical Association. All Rights Reserved. 2000 American Medical Association Drs Martin and Ensalada provide insight to the use of electrodiagnostic studies in diagnosing carpal tunnel syndrome (CTS). In a recent review D’Arcy and McGee found that in patients presenting...
Newsletter Articles
Guides Newsletter (2019) 24 (6): 12–15.
Published: 01 November 2019
..., the diagnosis of nerve entrapment can be made only by examining diagnostic test results. Consequently, without these electrodiagnostic studies, the physician cannot diagnose or rate nerve entrapment or compression. Postoperative nerve conduction studies are not necessary for impairment rating purposes (6th ed...
Newsletter Articles
Guides Newsletter (2014) 19 (3): 10–14.
Published: 01 May 2014
... of the person performing electrodiagnostic studies? Most agree it requires six to twelve months of one on one training and extensive study in the field of neuromusculoskeletal disease to become a qualified electrodiagnostic medicine physician. Answer: Utilizing criteria from the American Association...
Newsletter Articles
Guides Newsletter (2000) 5 (3): 9–10.
Published: 01 May 2000
...Richard T. Katz, MD © 2000 American Medical Association. All Rights Reserved. 2000 American Medical Association The March/April 2000 issue presented an overview of electrodiagnostic evaluation—electromyography (EMG) nerve conduction studies (NCS), and somatosensory-evoked responses...
Newsletter Articles
Guides Newsletter (2014) 19 (3): 3–10.
Published: 01 May 2014
..., is not significantly compressed on imaging, and is not affected on electrodiagnostic studies (if performed).” (6th ed, 576) If you have access to electrodiagnostic tests, the tests must be reliable. “The quality of the test and interpretations of the results depend on the skill and knowledge of the individual...
Newsletter Articles
Guides Newsletter (2000) 5 (3): 5–6.
Published: 01 May 2000
...Charles N. Brooks, MD Previous issues of The Guides Newsletter have presented overviews of electrodiagnostic evaluation, including electromyography, nerve conduction studies, and somatosensory-evoked responses. This article contains suggestions for nonelectromyographers who read reports...
Newsletter Articles
Guides Newsletter (2012) 17 (2): 4–6.
Published: 01 March 2012
..., by determining if a weakness is corroborated by other neurologic or physical findings, imaging study results, and/or electrodiagnostic testing). The use of objective, or at least less subjective, findings in impairment rating should improve interrater reliability. Thus, evaluating physicians should not regard...
Newsletter Articles
Guides Newsletter (2015) 20 (2): 12–14.
Published: 01 March 2015
... tracings. FIGURE 2. Hypothetical motor nerve conduction report In summary, the key steps in rating upper limb entrapment neuropathies involve understanding the electrodiagnostic study; matching the study findings to the criteria of conduction delay, conduction block, or axon loss...
Newsletter Articles
Guides Newsletter (2001) 6 (6): 1–4, 14.
Published: 01 November 2001
... radicular pain; reflexes; neurological changes such as weakness of loss of sensation, atrophy, radiculopathy and electrodiagnostic changes; alteration of motion segment integrity; cauda equina like syndrome; and urodynamic tests. Certain historical findings proven by imaging studies (e.g., radiculopathy...
Newsletter Articles
Guides Newsletter (2000) 5 (2): 5–7.
Published: 01 March 2000
...Charles N. Brooks, MD The three components of electrodiagnosis useful in evaluation of the peripheral nervous system and spinal cord include electromyography (EMG), electroneurography (nerve conduction studies), and somatosensory evoked potentials. EMG examination involves introduction of a special...
Newsletter Articles
Guides Newsletter (2000) 5 (5): 1–3.
Published: 01 September 2000
..., electrodiagnostic, or other findings, and the definition implies that the condition is medically stable in the sense that further treatment probably will not result in appreciable, prolonged improvement. © 2000 American Medical Association. All Rights Reserved. 2000 American Medical Association The term...
Newsletter Articles
Newsletter Articles
Guides Newsletter (2019) 24 (2): 3–5, 16.
Published: 01 March 2019
... of Orthopaedic Surgeons suggests use of the CTS-6 scoring aid (shown in a table) as a clinical aid for diagnosing CTS. Electrodiagnostic testing, nerve conduction studies in particular, are considered the gold standard for diagnosis of CTS, but research suggests that the definitions of relevant sensory...
Newsletter Articles
Guides Newsletter (2004) 9 (1): 6–9.
Published: 01 January 2004
... degenerative disk disease but no cervical rib. A chest x-ray, electrodiagnostic studies, and vascular testing were all normal. The workers' compensation jurisdiction concluded he had a work-related injury of bilateral thoracic outlet syndrome. In these cases, symptoms exist but they do not rise...
Newsletter Articles
Guides Newsletter (2022) 27 (1): 7–11.
Published: 01 January 2022
.... 2022 American Medical Association Carpal Tunnel Syndrome Complex Regional Pain Syndrome Diagnosis-Based Electrodiagnostic Studies Entrapment Maximum Medical Improvement Range of Motion Upper Extremity Issuing a permanent impairment report correctly requires a physician to be very...