Evaluation of the Patient with Suspected Myopathy Albert C. Clairmont Bakri Elsheikh Yousef M. Mohammad Introduction Electrodiagnostic findings in myopathy may result from a number of factors, including abnormalities or…
Electrodiagnostic Approach to Patients with Suspected Radiculopathy Timothy R. Dillingham Introduction Cervical and lumbosacral radiculopathies are conditions involving a pathologic process affecting the spinal nerve root. Commonly, this is a…
Evaluation of the Patient with Suspected Peripheral Neuropathy James W. Albers Introduction The clinical electromyographer is referred a patient with slowly progressive extremity weakness, mild sensory loss, and areflexia. The…
Entrapment Neuropathies and Other Focal Neuropathies (Including Carpal Tunnel Syndrome) Lawrence R. Robinson General Approaches to the Study of Entrapment There are a number of general considerations when evaluating any…
Instrumentation Sanjeev D. Nandedkar Introduction The primary function of an electromyograph is to record, amplify, and display a low-amplitude neurophysiologic signal in the presence of high-amplitude ambient noise and interference….
Quality Improvement and Reporting in Electrodiagnostic Medicine William S. Pease What is Quality? Physicians and healthcare institutions are expected to put their best efforts into improving quality of care and…
Advanced Needle EMG Methods Erik Stålberg Introduction The organization of muscle fibers within the motor unit (MU) changes in typical ways in different nerve and muscle disorders. Many forms of…
Basic Nerve Conduction Techniques Robert J. Weber Margaret Turk Introduction Nerve conduction studies (NCS) are the backbone of the electrodiagnostic evaluation. NCS are the most objective of the routine measures…
Electrophysiology Jun Kimura Electrical Properties of Nerve and Muscle The same basic membrane physiology applies to both nerve and muscle, although different anatomic substrates subserve propagation of electrical impulses. The…
The Essentials of the Needle EMG Exam Vivek Kadyan Ernest W. Johnson Denise L. Davis Why Request an EMG? An electromyographic (EMG) examination is a functional evaluation of the motor…
