- Preface
- Abbreviations
- Contributors
- Chapter 1 Nerve, muscle, and neuromuscular junction
- Chapter 2 The motor unit
- Chapter 3 Motor control: spinal and cortical mechanisms
- Chapter 4 Cortical activity: single cell, cell assemblages, and networks
- Chapter 5 Recording of neural signals, neural activation, and signal processing
- Chapter 6 Nerve conduction studies
- Chapter 7 Electromyography
- Chapter 8 Quantitative electromyography
- Chapter 9 Axonal excitability: molecular basis and assessment in the clinic
- Chapter 10 Reflex studies
- Chapter 11 Electroencephalography
- Chapter 12 Intracranial electroencephalographic recordings
- Chapter 13 Magnetoencephalography
- Chapter 14 Transcranial magnetic stimulation
- Chapter 15 Evoked potentials
- Chapter 16 Polysomnography and other investigations for sleep disorders
- Chapter 17 Clinical neurophysiology of the pelvic floor
- Chapter 18 The clinical approach to neurophysiology
- Chapter 19 Focal neuropathies
- Chapter 20 Generalized peripheral neuropathies
- Chapter 21 Disorders of single nerves, roots, and plexuses
- Chapter 22 Neurophysiology in amyotrophic lateral sclerosis and other motor degenerations
- Chapter 23 Clinical aspects of neuromuscular junction disorders
- Chapter 24 Primary muscle diseases
- Chapter 25 Paediatric conditions
- Chapter 26 EMG-guided botulinum toxin therapy
- Chapter 27 Genetic generalized epilepsy
- Chapter 28 Focal epilepsy
- Chapter 29 Syncope
- Chapter 30 Convulsive and non-convulsive status epilepticus
- Chapter 31 Presurgical evaluation for epilepsy surgery
- Chapter 32 Encephalopathy, central nervous system infections, and coma
- Chapter 33 Migraine, stroke, and cerebral ischaemia
- Chapter 34 Electroclinical features of paediatric conditions
- Chapter 35 Sleep disorders
- Chapter 36 Intraoperative monitoring
- Index
(p. 235) Disorders of single nerves, roots, and plexuses
- Chapter:
- (p. 235) Disorders of single nerves, roots, and plexuses
- Author(s):
Kerry R. Mills
- DOI:
- 10.1093/med/9780199688395.003.0021
The role of electromyography (EMG) and nerve conduction studies in disorders of single nerve, root, and plexus lesions are discussed. The motor and sensory anatomy underpinning diagnosis is described and a scheme presented showing the key muscles to be examined using EMG to differentiate nerve, plexus, and root lesions. The main causes of mononeuritis multiplex, of either axonal degeneration or demyelinative pathology, are covered, including diabetic neuropathy, vasculitic neuropathy, multifocal motor neuropathy with block, and the Lewis–Sumner syndrome. The confirmatory role of EMG and nerve conduction studies in the investigation of cervical and lumbar radiculopathies is highlighted as is the use of transcranial magnetic stimulation to differentiate cervical radiculopathy with myelopathy from amyotrophic lateral sclerosis. The neurophysiological hallmarks of traumatic cervical plexus lesions, including obstetric causes, inherited and acquired brachial neuritis, hereditary liability to pressure palsies, the cervical rib syndrome, and radiation plexopathy are also covered.
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- Preface
- Abbreviations
- Contributors
- Chapter 1 Nerve, muscle, and neuromuscular junction
- Chapter 2 The motor unit
- Chapter 3 Motor control: spinal and cortical mechanisms
- Chapter 4 Cortical activity: single cell, cell assemblages, and networks
- Chapter 5 Recording of neural signals, neural activation, and signal processing
- Chapter 6 Nerve conduction studies
- Chapter 7 Electromyography
- Chapter 8 Quantitative electromyography
- Chapter 9 Axonal excitability: molecular basis and assessment in the clinic
- Chapter 10 Reflex studies
- Chapter 11 Electroencephalography
- Chapter 12 Intracranial electroencephalographic recordings
- Chapter 13 Magnetoencephalography
- Chapter 14 Transcranial magnetic stimulation
- Chapter 15 Evoked potentials
- Chapter 16 Polysomnography and other investigations for sleep disorders
- Chapter 17 Clinical neurophysiology of the pelvic floor
- Chapter 18 The clinical approach to neurophysiology
- Chapter 19 Focal neuropathies
- Chapter 20 Generalized peripheral neuropathies
- Chapter 21 Disorders of single nerves, roots, and plexuses
- Chapter 22 Neurophysiology in amyotrophic lateral sclerosis and other motor degenerations
- Chapter 23 Clinical aspects of neuromuscular junction disorders
- Chapter 24 Primary muscle diseases
- Chapter 25 Paediatric conditions
- Chapter 26 EMG-guided botulinum toxin therapy
- Chapter 27 Genetic generalized epilepsy
- Chapter 28 Focal epilepsy
- Chapter 29 Syncope
- Chapter 30 Convulsive and non-convulsive status epilepticus
- Chapter 31 Presurgical evaluation for epilepsy surgery
- Chapter 32 Encephalopathy, central nervous system infections, and coma
- Chapter 33 Migraine, stroke, and cerebral ischaemia
- Chapter 34 Electroclinical features of paediatric conditions
- Chapter 35 Sleep disorders
- Chapter 36 Intraoperative monitoring
- Index