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Evoked Potentials in Clinical Medicine. Third Edition.

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    Evoked Potentials in Clinical Medicine. Third Edition. Editor keith h chiappa. (Pp 752; £60.50). Philadelphia: Lippincott Raven, 1997. ISBN 0-397-51659-2.

    The editor prefaces this third edition with reference to the continued cost effectiveness of clinical evoked potential investigations and to the impact of structural and functional imaging. The latter has served to focus the clinical application of evoked potentials, which still provide a temporal resolution greater than modern imaging techniques. In combination with medicolegal pressures in the United States, the use of intraoperative monitoring has also grown. These changes, in addition to paediatric applications and central motor conduction studies, are well described.

    The book covers a broad range, with contributors from the United States and from Australia. The usual subjects are covered and each chapter is well referenced. Special attention is given to monitoring of the spinal cord and to carotid endarterectomies. There are also chapters on advanced techniques for analysis and on statistics.

    I would recommend this book for its methodical approach to each subject, describing the practical background followed by the process of interpretation with respect to clinical questions. I only have one minor objection, that is the use of the term motor evoked potential to describe the compound muscle action potential produced by transcranial stimulation, which has never seemed right to me!

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