Single fiber electromyography : studies in healthy and diseased muscle
著者
書誌事項
Single fiber electromyography : studies in healthy and diseased muscle
Raven Press, c1994
2nd ed
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注記
Rev. ed. of: Single fibre electromyography. 1979
Includes bibliographical references and index
内容説明・目次
内容説明
Now in its second edition, this volume provides a comprehensive guide to the principles, methodology, and clinical applications of single fiber electromyography (SFEMG). The book provides complete information on equipment, analysis of SFEMG recordings, recording procedures during voluntary muscle contraction and electrical stimulation, and SFEMG findings in various neuromuscular disorders. Throughout, the authors explain how SFEMG findings relate to the microphysiology of normal and diseased muscle. The second edition provides updated information on technological advances, stimulation SFEMG, normal values, and findings in diseases. New chapters cover topics such as SFEMG with cortical stimulation and SFEMG in scoliosis, hemiplegia after stroke, and polyneuronal muscle fiber innervation. A new appendix includes tables of reference values, advice on electrode maintenance, and a summary of indications for SFEMG.
目次
The Motor Unit. / Selective Recording: Small Electrodes / "Bipolar" Recording. The Single Muscle Fibre Action Potential: The Shape / Volume Conduction, Equipment: Electrodes / Amplifiers / Loudspeaker/ Rate Meter/Tape Recorder / Display/Documentation. Recording Procedures with Different Types of Activation: Voluntary Activity / Electrical Stimulation / Reflex Activation. "Marking" of the Motor Unit, Spike Triggering: Single Fibre Recording / Concentric or Monopolar Needle Recording / Surface Electrode Recording / Motor Unit Twitch Tension. Jitter and Impulse Blocking: Neuromuscular Transmission / Electrical Stimulation /Voluntary Activation / Calculation of the jitter / Practical Ways of Measuring the jitter / Technical Error Sources in jitter Measurement / Normal Jitter Values on Axonal Stimulation Long-Term Recording / Low jitter / jitter in Potential Pairs with Long Interpotential Intervals/ Bimodal jitter, the "Flip-Flop" Phenomenon / Increased jitter and Blocking / Concomitant Blocking / Phenomena Simulating Single-Spike and Concomitant Blocking. Fibre Density: Recording Technique / Normal Fibre Density / Abnormal Fibre Density. Duration of Multiple Potentials. / Propagation Velocity and Direction of Propagation: Recording Procedure / Normal Values / Propagation Velocity During Continuous Activity / Inter-Discharge Interval-Dependent Variability: The Velocity Recovery Function (VRF). Normal and Abnormal Discharge Characteristics: Firing Pattern / Extra-Discharges / Fasciculations. Multi-Electrode Studies: Recording Procedure / Multi-Electrode Findings in Normal Tissue. Scanning EMG. / Pharmacological Studies of Neuromuscular Transmission: Anti-Depolarising Agents / Depolarising Agents / Val ium / Local Anaesthetics / Penicillamine. SFEMG Findings in Different Disorders: Denervated Muscle / Reinnervation / Multi-Electrode Studies of the Motor Unit in Motor Neuron Disease and Polyneuropathies/SingleSurface SFEMG Recordings in Reinnervation (Muscle Transplants) / Anterior Horn Cell Disorders / Myasthenia Gravis / Lambert-Eaton Myasthenic Syndrome / Botulism and Botulinum ToxinTreated Patients / Tetany / Myotonia / Primary Muscle Disorders / Duchenne and Becker Dystrophy / Limb-Girdle Dystrophy/ Facio-Scapulo-Humeral Dystrophy: General Comments on SFEMG Findings in Muscular Dystrophies. Reflex Studies: Axon Reflexes / F-Response / H-Reflex / Blink Reflex / Flexion Withdrawal Reflex / Pudendal Reflexes / Tendon Jerk / Tonic Vibration Reflex (TVR). Miscellaneous Studies: Single Neuron Responses to Stimulation of Motor Cortex/ SFEMG in Hemiplegia After Stroke / SFEMG in idiopathic juvenile Scoliosis / Polyneuronal Muscle Fibre Innervation. Concentric and Monopolar Needle: Electromyography. Appendix: Reference Values / Electrode Maintenance / Possible Sources of Errors in SFEMG Studies / Uses of SFEMG in Clinical Studies and in Research / Firing Pattern / Spike Triggering / Propagation Velocity and VRF
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