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Nutritional Muscular Dystrophy (Nutritional Myopathy or White Muscle Disease) is a disease caused by a deficiency of selenium and vitamin E in dietary intake. [1] Soils that contains low levels of selenium produce forages and grains that are deficient in selenium.
The symptoms of Bethlem myopathy may overlap with other conditions including Emery–Dreifuss muscular dystrophy, congenital muscular dystrophies, limb girdle muscular dystrophies, FHL1-related myopathies (X-linked myopathy with postural muscle atrophy, reducing body myopathy, and scapuloperoneal myopathy), and some forms of Ehlers–Danlos ...
A physical examination and the patient's medical history will help the doctor determine the type of muscular dystrophy. Specific muscle groups are affected by different types of muscular dystrophy. [11] An MRI can be used to assess the white matter of the nervous system and measure the merosin levels in young boys.
Polymyalgia rheumatica (or "muscle rheumatism") is an inflammatory condition that mainly occurs in the elderly; it is associated with giant-cell arteritis (It often responds to prednisolone). [18] Polymyositis is an autoimmune condition in which the muscle is affected. [19] Rhabdomyolysis is the breakdown of muscular tissue due to any cause ...
Muscular dystrophy (e.g., limb girdle muscular dystrophy) must be considered as well. [citation needed] sIBM can be mistaken for physical deconditioning. [1] Hereditary myopathies can mimic sIBM, both in signs and symptoms and in the appearance of muscle biopsies.
The infantile-onset form is usually diagnosed at 4–8 months; muscles appear normal but are limp and weak preventing the child from lifting their head or rolling over. As the disease progresses, heart muscles thicken and progressively fail. Without treatment, death usually occurs due to heart failure and respiratory weakness. [5]
Calpainopathy is the most common type of autosomal recessive limb-girdle muscular dystrophy (LGMD). [2] It preferentially affects the muscles of the hip girdle and shoulder girdle. No disease modifying pharmaceuticals have been developed as of 2019, although physical therapy, lifestyle modification, and orthopedic surgery can address symptoms.
True muscle weakness is a primary symptom of a variety of skeletal muscle diseases, including muscular dystrophy and inflammatory myopathy. It occurs in neuromuscular junction disorders, such as myasthenia gravis. Muscle weakness can also be caused by low levels of potassium and other electrolytes within muscle cells. It can be temporary or ...