Primary writing tremor (PWT)
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Primary writing tremor (PWT). The means onset age is about 50 years. It may be familial. Fully referenced neurology checklist.
Demographic features
- The means onset age is about 50 years
- It may be familial
- There may be a family history of essential tremor
- PWT, essential tremor and writer’s cramp can occur in the same family
Types
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Competing hypotheses
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Clinical features
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Exacerbating factors
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Relieving factors
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Differential diagnosis: writer’s cramp
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Differential diagnosis: essential tremor
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Investigations
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Medical treatment
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Surgical treatment
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References
- Datta A, Batra N, Pandey S. Primary writing tremor: current concepts. Ann Indian Acad Neurol 2021; 24:319-326.
- Cohen LG, Hallett M, Sudarsky L. A single family with writer's cramp, essential tremor, and primary writing tremor. Mov Disord 1987; 2:109-116.
- Erro R, Malaguti MC, Morini A, Geroin C, Tinazzi M. The "writing on the wall maneuver" reveals the dystonic nature of primary writing tremor. Mov Disord Clin Pract 2024 (Online ahead of print).
- Bain PG, Findley LJ, Britton TC, et al. Primary writing tremor. Brain 1995; 118:1461-1472.
- Vives-Rodriguez A, Kim CY, Louis ED. Primary writing tremor. Tremor Other Hyperkinet Mov (N Y) 2018; 8:586.
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