Procedures of the Spine

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Fig. 12.1 Lateral view (left) and posterior view (right) of the spine. The cervical, thoracic, and lumbar vertebrae are separated by a cartilaginous disc that provides cushioning and allows for…

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10. Electroencephalography

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Fig. 10.1 Schematic of a differential amplifier used for EEG recording . The output of a differential amplifier is the difference between the two inputs Discovery of EEG Hans Berger,…

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(EMG)

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Fig. 8.1 A motor unit is shown with a recording electrode in proximity. Individual muscle fiber potentials are recorded in sum as the motor unit action potential (MUAP) The neuromuscular…

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Nerve Monitoring

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Fig. 17.1 Anatomical organization of a peripheral nerve . (Reproduced with permission from Sunderland [10]) Nerve fibers in the peripheral nervous system consist of the myelinated Aα, Aβ, and Aδ…

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and Mapping of the Spinal Cord

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Fig. 13.1 Intraoperative images through the microscope of various stages of surgery for a mid-cervical IMSCT . (a) Placement of the spinal electrode used for recording D-waves. In this figure,…

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ENT Procedures

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Fig. 16.1 The thyroid gland and surrounding structures Thyroidectomy Removal of the thyroid gland is indicated for a variety of conditions including tumor, goiter , or hyperthyroidism among others. Depending…

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Evoked Potentials

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Fig. 7.1 Multiple areas of the cortex are involved in motor movements. In addition to the cortex, there also exist multiple subcortical areas. During artificial simulation under anesthetics, the corticospinal…

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Potential Monitoring

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Fig. 6.1 Normal stable SEPs from the left and right median and left and right posterior tibial nerves. (From UCLA Department of Clinical Neurophysiology, with permission) SEP IOM is used…

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Monitoring for Carotid Endarterectomy

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Fig. 15.1 Illustration showing the carotid bifurcation and the removal of plaque at this site by endarterectomy Carotid endarterectomy is the surgical option for the treatment of carotid stenosis. Stenosis…

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