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Rest Tremor
Aka: Rest Tremor
- Symptoms
- Tremor characteristics
- Low to moderate frequency: 3 to 6 Hz
- High amplitude
- Patient attempts to maintain body position at rest
- Tremor occurs despite rest position
- Limb is completely supported against gravity
- Example: Hand Tremor while resting on lap
- Provocative factors (increases Tremor amplitude)
- Mental stress (e.g. Serial 7s)
- Palliative factors (decreases Tremor amplitude)
- Goal-directed movement (e.g. finger-nose-finger)
- Examination
- See Parkinson's Disease
- Passively flex and extend arms for cogwheel rigidity
- Observe for shuffling gait
- Causes
- Parkinson's Disease
- Multiple-Systems atrophy
- Progressive Supranuclear palsy
- Drug-Induced Tremor
- Neuroleptic medications
- Metoclopramide (Reglan)
- Rubral Tremor
- Psychogenic Tremor
- Management
- Levodopa-Carbidopa (Sinemet)
- Anticholinergics
- Other antiparkinson Meds
- Deep brain stimulation
- Pallidotomy
- Thalamotomy