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Paul E. Kaplan, MD
Rehabilitation Institute of Chicago 345 E Superior St Chicago, IL 60611

Arch Neurol. 1978;35(11):772.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.—

In his article in the ARCHIVES (34:774-776, 1977) entitled "Cervical Spondylitic Myelopathy With Reversible Fasciculations in the Lower Extremities," Dr Kasdon summarizes his electromyographic findings with the repeated observation that no fibrillations were noted. Other studies¹ show that the most sensitive indication of electromyographic abnormality and involvement of the motor fibers of a spinal nerve root is the presence of increased insertional activity, including positive sharp waves. There is no mention of either insertional activity or positive sharp waves in Dr Kasdon's article. As a result, it is impossible to properly consider his findings with regard to fasciculations. No mention was made of nerve conduction studies or of electrodiagnostic studies measuring Fwaves. Eisen et al² have thoroughly reviewed the application of F wave measurements to the diagnosis of proximal neuropathies of the upper extremities. More research needs to be done before the role of fasciculations . . . [Full Text PDF of this Article]

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