Congenital Myasthenia Gravis Symptoms
Congenital myasthenia gravis cmg is a form of weakness most likely presenting itself during infancy with fatigability difficulty sucking on pacifier inactivity and decreased tone of the muscles.
Congenital myasthenia gravis symptoms. The prognosis depends on the specific subtype of congenital myasthenia the muscles involved and the age at onset of symptoms. All subtypes involve muscle fatigue and weakness that usually begins at an early age. The most common symptoms of cms include. Facial muscles including muscles that control the eyelids muscles that move the eyes and muscles used for chewing and swallowing are most commonly affected.
If a child has difficulty breathing feeding or swallowing they may be vulnerable to pneumonia or respiratory failure. Signs symptoms the cardinal symptom of all myasthenic disorders is muscle weakness that is induced or worsened by exertion. Postsynaptic symptoms in infants include severe muscle weakness feeding and respiratory problems and delays in the ability to sit crawl and walk. The list of signs and symptoms mentioned in various sources for congenital myasthenia gravis includes the 14 symptoms listed below.
The earlier the onset of cms the more severe the symptoms are likely to be. Weakness in your legs can. Congenital myasthenic syndromes are rare hereditary genetic conditions resulting from a defect at the junction where your nerve stimulates muscle activity. Congenital myasthenic syndrome is a group of conditions characterized by muscle weakness myasthenia that worsens with physical exertion.
Face and throat muscles. The muscle weakness typically begins in early childhood but can also appear in adolescence or adulthood. Symptoms of congenital myasthenia gravis. The symptoms of the congenital myasthenic syndromes cms vary by the age at which symptoms begin type of muscle weakness and severity.
Congenital myasthenic syndromes may affect your nerve cells presynaptic your muscle cells postsynaptic or the space between your nerve and muscle. That defect causes muscle weakness. When to see a doctor. In other cases weakness is stable and does not worsen over time.
These symptoms often result in double vision and difficulty chewing and swallowing. Myasthenia gravis can also cause weakness in your neck arms and legs. Neck and limb muscles. This is referred to as fatigable weakness.
What are the symptoms of cms. Your speech might sound soft or nasal depending on which muscles have been.