Myokymia

**Definition:** Successive and rapid contractions of motor units associated with chronic nerve injury. The discharges arise from the peripheral aspects of regenerating nerves, and clinically impart a nearly continuous undulation of the body surface overlying the muscle. (Adams et al., Principles of Neurology, 6th ed, p1491)

**Tree numbers:** - C10.597.613.650 - C23.888.592.608.650

**Synonyms:** - Fibrillary Chorea - Kymatism - Morvan Chorea - Morvan's Chorea - Morvan's Fibrillary Chorea