Transient encephalopathy and asterixis following metrizamide myelography. Case report.

A case is presented in which cervicolumbar myelography with metrizamide was followed by transient encephalopathy and asterixis. Metabolic etiology was excluded. A large degree of intracranial penetration of metrizamide was demonstrated by computerized tomography. Residual symptoms persisted for 10 days.

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