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Table 18.2

Clues to the Pathology from the Tempo of Sensory Symptoms

Speed of progressionLikely cause
Instantaneous maximum deficitVascular/stroke, acute compression/trauma
SecondsSeizure (especially if stereotyped and recurrent)
MinutesMigraine, amyloid spell/attack
Hours to daysInflammatory (MS, GBS), infective
Weeks to monthsTumour, chronic compression
Months to yearsInherited/genetic, degenerative