Screening in primary health care for undiagnosed tremor in an elderly population in Wales.

Despite the fact that effective, though not entirely satisfactory, treatment exists for both essential tremor and Parkinson's disease, many cases in older subjects remain medically undi- agnosed and result in considerable remediable handicap.`-3 We report the use in general prac- tice of an adaptation of a screening and alerting questionnaire for Parkinson's disease4 used to screen for medically undiagnosed tremors in an elderly population.