A 63-year-old woman with a history of non-Hodgkin's lymphoma that had been treated 25 years previously, as well as a history of hypertension, hypercholesterolemia, transient ischemic attack, and acute ...

Myoclonus is a sudden, random muscle jerk. It can happen alone or stem from a medical condition. Possible causes include medication side effects, damage to the nervous system, and disorders that ...

Myoclonus is a sudden and involuntary muscle spasm. It is usually a symptom of an underlying disorder and can interfere with eating, talking, and walking. The movement is involuntary and can’t be ...

Loss-of-function mutations in the gene (CSTB) encoding human cystatin B, a widely expressed cysteine protease inhibitor, are responsible for a severe neurological disorder known as Unverricht-Lundborg ...

Myoclonus (pronounced "my-OCK-lo-nus") is a sudden muscle spasm that you can’t control. It can be a natural reflex – like jumping when something scares you or getting the hiccups from laughing too ...

Sleep myoclonus is involuntary, nonrhythmic muscle twitching that occurs either as a person falls asleep or during sleep. The movements include hiccups, starts, and jerks. Sleep myoclonus is not a ...