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Facioscapulohumeral muscular dystrophy (FSHD) is a type of muscular dystrophy, a group of heritable diseases that cause degeneration of muscle and progressive weakness. Per the name, FSHD tends to sequentially weaken the muscles of the face, those that position the scapula, and those overlying the humerus bone of the upper arm.
It links the muscle membrane to the thin muscular filaments within the cell. Dystrophin is an integral part of the muscular structure. An absence of dystrophin can cause impairments: healthy muscle tissue can be replaced by fibrous tissue and fat, causing an inability to generate force. [4] Respiratory and cardiac complications can occur as well.
Some causes listed include deaths also included in more specific subordinate causes, and some causes are omitted, so the percentages may only sum approximately to 100%. The causes listed are relatively immediate medical causes, but the ultimate cause of death might be described differently.
Beevor’s sign is characteristic of spinal cord injury between T9 and T10 levels. [3] The sign has also been observed in amyotrophic lateral sclerosis, a disease causing progressive weakening of the muscles of multiple areas of the body, and in facioscapulohumeral muscular dystrophy (FSHD), a disease named after areas of the body it preferentially weakens (face, shoulder, and upper arm).
Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.
Biopsy shows general dystrophic features, such as areas of muscle death, variability in muscle size, nuclei in the center of muscle fibers, and disorganized muscle fibers within muscle cells. [ 3 ] Serum creatine kinase , a nonspecific marker of muscle damage, can be elevated early in the disease.
Despite being the nation’s biggest killer for 100 years, a new survey finds many adults don’t know that heart disease is the leading cause of death in the U.S. Heart disease is the leading ...
Oculopharyngeal muscular dystrophy (OPMD) is a rare form of muscular dystrophy with symptoms generally starting when an individual is 40 to 50 years old.It can be autosomal dominant neuromuscular disease or autosomal recessive.