title: Dystonia Associated with Idiopathic Slow Orthostatic Tremor.
abstract: BACKGROUND
  We aimed to characterize the clinical and electrophysiological features of patients with slow orthostatic tremor.
  
  
  METHODS
  The clinical and neurophysiological data of patients referred for lower limb tremor on standing were reviewed. Patients with symptomatic or primary orthostatic tremor were excluded. Eight patients were identified with idiopathic slow 4-8 Hz orthostatic tremor, which was associated with tremor and dystonia in cervical and upper limb musculature. Coherence analysis in two patients showed findings different to those seen in primary orthostatic tremor.
  
  
  CONCLUSIONS
  Slow orthostatic tremor may be associated with dystonia and dystonic tremor.
authors.affiliation: Department of Neurology, Greater Manchester Neurosciences Centre, Salford Royal NHS Foundation Trust, Salford, UK; Centre for Clinical and Cognitive Neurosciences, Institute for Brain, Behaviour and Mental Health, University of Manchester, Manchester, UK.
authors.forename: Christopher
authors.initials: C
authors.lastname: Kobylecki
authors.affiliation: Department of Neurology, Greater Manchester Neurosciences Centre, Salford Royal NHS Foundation Trust, Salford, UK; Centre for Clinical and Cognitive Neurosciences, Institute for Brain, Behaviour and Mental Health, University of Manchester, Manchester, UK.
authors.forename: Monty A
authors.initials: MA
authors.lastname: Silverdale
authors.affiliation: Department of Neurology, Greater Manchester Neurosciences Centre, Salford Royal NHS Foundation Trust, Salford, UK.
authors.forename: Jeremy P R
authors.initials: JP
authors.lastname: Dick
authors.affiliation: Department of Neurology, Greater Manchester Neurosciences Centre, Salford Royal NHS Foundation Trust, Salford, UK.
authors.forename: Mark W
authors.initials: MW
authors.lastname: Kellett
authors.affiliation: Department of Clinical Neurophysiology, Greater Manchester Neurosciences Centre, Salford Royal NHS Foundation Trust, Salford, UK; Manchester Medical School, University of Manchester, Manchester, UK.
authors.forename: Andrew G
authors.initials: AG
authors.lastname: Marshall
keywords: Slow orthostatic tremor; clinical neurophysiology; dystonia