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Injury - A mild form of myositis can occur with hard exercise. [4] A more severe form of muscle injury, called rhabdomyolysis, is also associated with myositis. [4] This is a condition where an injury to the patient's muscles causes them to quickly break down. [4] Medicines - A variety of different medicines can cause myositis.
The muscle damage is most usually caused by a crush injury, strenuous exercise, medications, or a substance use disorder. [3] Other causes include infections , electrical injury , heat stroke , prolonged immobilization, lack of blood flow to a limb , or snake bites [ 3 ] as well as intense or prolonged exercise, particularly in hot conditions ...
Dermatomyositis produces muscle weakness and skin changes. The skin rash is reddish and most commonly occurs on the face, especially around the eyes, and over the knuckles and elbows. Ragged nail folds with visible capillaries can be present. It can often be treated by drugs like corticosteroids or immunosuppressants. (M33.2)
The other process of pressure ulcer development is seen when pressure is high enough to damage the cell membrane of muscle cells. The muscle cells die as a result and skin fed through blood vessels coming through the muscle die. This is the deep tissue injury form of pressure ulcers and begins as purple intact skin. [13]
Rheumatoid arthritis (RA) is a long-term autoimmune disorder that primarily affects joints. [ 1 ] It typically results in warm, swollen, and painful joints. [ 1 ] Pain and stiffness often worsen following rest. [ 1 ] Most commonly, the wrist and hands are involved, with the same joints typically involved on both sides of the body. [ 1 ]
Juvenile dermatomyositis (JDM) is an idiopathic inflammatory myopathy (IMM) of presumed autoimmune dysfunction resulting in muscle weakness among other complications. It manifests itself in children; it is the pediatric counterpart of dermatomyositis. In JDM, the body's immune system attacks blood vessels throughout the body, causing ...
Arthritis is a term often used to mean any disorder that affects joints. [2] Symptoms generally include joint pain and stiffness. [2] Other symptoms may include redness, warmth, swelling, and decreased range of motion of the affected joints. [2][3] In some types of arthritis, other organs are also affected. [7]
Myositis ossificans. Myositis ossificans comprises two syndromes characterized by heterotopic ossification (calcification) of muscle. The World Health Organization, 2020, has grouped myositis ossificans together with fibro-osseous pseudotumor of digits as a single specific entity in the category of fibroblastic and myofibroblastic tumors.