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tremor
Etiology:
1) physiologic tremor
2) essential tremor
3) cerebellar tremor
- intention tremor
- degenerative diseases
- multiple sclerosis
- neurotoxicity
4) resting tremor
- parkinsonism
- lewy body dementia
- parkinson plus syndrome
- Parkinson's disease
Clinical manifestations:
- rhythmic, oscillating, involuntary movement of the extremities, trunk, or head & neck
- may occur at rest or with action
- may be suppressed by the patient
- typically absent during sleep
- may be exacerbated by anxiety, fatigue & numerous medications
Laboratory: none routinely indicated.
Management: depends upon specific type.
Specific
action tremor
resting tremor
General
movement disorder
sign/symptom
References
- Saunders Manual of Medical Practice, Rakel (ed), WB Saunders,
Philadelphia, 1996, pg 1015-16
- Medical Knowledge Self Assessment Program (MKSAP) 16
American College of Physicians, Philadelphia 2012
- Elias WJ, Shah BB.
Tremor.
JAMA. 2014 Mar 5;311(9):948-54. Review.
PMID: 24595779
- National Institute of Neurological Disorders and Stroke (NINDS)
NINDS Tremor Information Page
https://www.ninds.nih.gov/Disorders/All-Disorders/Tremor-Information-Page