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Tremor is a rhythmic oscillatory movement of a body part caused by alternating contractions of muscle agonists and antagonists. It is the most common extrapyramidal symptom[1]

Types of tremor[edit | edit source]

Tremor is characterized by frequency, amplitude, symmetry, body localization, provocative and suppressive factors, and reactivity to pharmaceuticals.

Different types of tremor form in different regions of the central or peripheral nervous system. The centre of formation is the so-called oscillator (source of rhythmic activity).

Differential diagnosis[edit | edit source]

Rhythmic myoclonus, asterixis (flapping tremor) - can be distinguished by EMG[1].

Searchtool right.svg For more information see Tremor/PGS/diagnostics.

Links[edit | edit source]

Related articles[edit | edit source]

Reference[edit | edit source]

  1. a b NEVŠÍMALOVÁ, Soňa – RŮŽIČKA, Evžen – TICHÝ, Jiří. Neurologie. - edition. Galén, 2005. pp. 30-35. ISBN 80-7262-160-2.