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KMID : 1214920210270020129
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Soonchunhyang Medical Science
2021 Volume.27 No. 2 p.129 ~ p.131
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Primary Orthostatic Tremor in Adolescence
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Kim Sung-Soo
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Abstract
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Tremor is an involuntary rhythmic muscle contraction, which causes a regular oscillation of a part of the body. Orthostatic tremor is a rare neurological movement disorder characterized by unsteadiness while standing that is relieved when sitting, walking, or lying down. Neurological examination of primary orthostatic tremor is reported to be normal. The pathophysiological mechanism of this condition is not entirely unknown. Symptoms usually start in the sixth decade. Clonazepam is widely used as a first-line medication in the treatment. A 14-year-old girl patient was admitted due to tremor activated on standing, absent while seated or lying, and improved by walking or leaning. Her brain magnetic resonance imaging and laboratory workup were normal. Tremor completely disappeared with clonazepam in 10 days. I report a case of primary orthostatic tremor in adolescence.
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KEYWORD
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Orthostatic tremor, Adolescence, Clonazepam
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