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Myoclonus is a brief, involuntary, irregular (lacking rhythm) twitching of a muscle, a joint, or a group of muscles, different from clonus, which is rhythmic or regular. Myoclonus (myo-"muscle", clonus "spasm") describes a medical sign and, generally, is not a diagnosis of a disease.
Hemifacial spasm (HFS) is a rare neuromuscular disease characterized by irregular, involuntary muscle contractions on one side (hemi-) of the face (-facial). [1] The facial muscles are controlled by the facial nerve (seventh cranial nerve), which originates at the brainstem and exits the skull below the ear where it separates into five main branches.
Blepharospasm usually begins with occasional twitches of both eyelids, which progress over time to forceful and frequent spasms and contractions of the eyelids. In severe episodes, the patient cannot open their eyelids (apraxia), which severely limits their daily activities. Prolonged closure of the eyelids may result in functional blindness. [4]
The Chvostek sign is the abnormal twitching of muscles that are activated (innervated) by the facial nerve (also known as Cranial Nerve Seven, or CNVII). [1] When the facial nerve is tapped in front of the ear, the facial muscles on the same side of the face will contract sporadically (called ipsilateral facial spasm). The muscles that control ...
Woman covering her face because her right eye is twitching When we experience an eye twitch, it is usually a fleeting event. When your right eye is twitching, it could be due to stress, fatigue or ...
Signs that are found in people with Horner's syndrome on the affected side of the face include the following: ptosis (drooping of the upper eyelid) [3] anhidrosis (decreased sweating) [4] miosis (constriction of the pupil) [4] Enophthalmos (sinking of the eyeball into the face) [4] inability to completely close or open the eyelid [4] facial ...
Joel Embiid says his Bell's palsy diagnosis started last week, but it didn't stop him from delivering a great playoff performance. Here's what bell's palsy is, as well as signs and symptoms.
Benign fasciculation syndrome (BFS) is characterized by fasciculation (twitching) of voluntary muscles in the body. [1] The twitching can occur in any voluntary muscle group but is most common in the eyelids, arms, hands, fingers, legs, and feet. The tongue can also be affected. The twitching may be occasional to continuous. [2]