Myoclonus
MEDICAL SIGN, RAPID INVOLUNTARY IRREGULAR MUSCLE CONTRACTIONS
Myoclonic twitch; Hypnagogic myoclonus; Myclonic jerk; Myclonic twitch; Myoclonic seizure; Myoclonic jerk; Myoclonic; Myoclonis; Myoclonic Jerk; Myoclonic twitches; Myoclonic Twitch; Propriospinal myoclonus; Myclonic; Myoclonic jerks; Van Leeuwenhoek's disease; Myoclonic seizures; Shudder attack; Shudder attacks; Myoclonus Diaphragmatic Flutter; Myoclonic jerking
Myoclonus is a brief, involuntary, irregular (lacking rhythm) twitching of a muscle or a group of muscles, different from clonus, which is rhythmic or regular. Myoclonus describes a medical sign and, generally, is not a diagnosis of a disease.