Investigations

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Neurology

Benign intracranial hypertension (BIH)

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The patient should be investigated to exclude any other possible cause of raised intracranial pressure.



CT or MRI - the ventricles, in contrast to hydrocephalus, are normal or reduced in size

visual field charting - demonstrate enlarged blind spot and peripheral field construction

lumbar puncture, if not contraindicated by clinical features and pressure measurement

monitor intracranial pressure if in doubt as to the diagnosis

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Investigations

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