Myoclonus
Myoclonus is a brief sudden jerk-like movement that occurs due to involuntary contraction of one or more muscles.
Age of Onset: Greater than 8 years of age
Sex Predisposition: Any sex of animal can be affected
Clinical Course:
Myoclonic jerks occur sporadically and do not typically worsen in severity or frequency over time. Myoclonic movements persist during sleep.
Myoclonic jerks occur sporadically and do not typically worsen in severity or frequency over time. Myoclonic movements persist during sleep.
Clinical Signs:
Movement
Head nodding
Jerking movement of the head (sometimes extending into the thoracic limbs or the whole body)
Regular, repeated, stereotypic depolarization (contractions) of a muscle or a muscle group
Cranial Nerves
Rapid eyelid blinking
Movement
Head nodding
Jerking movement of the head (sometimes extending into the thoracic limbs or the whole body)
Regular, repeated, stereotypic depolarization (contractions) of a muscle or a muscle group
Cranial Nerves
Rapid eyelid blinking
Diffuse or focal neuromuscular
Unknown
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