Myositis
Inflammation of muscle tissue. There are many causes of myositis, including injury, medications, and diseases, such as dermatomyositis. Myositis may require no treatment, stopping medications, or treatment of an underlying disease, if present.
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- Myotonic dystrophy
An inherited disease in which the muscles contract but have decreasing power to relax — this phenomenon is termed myotonia (irritability and prolonged contraction of muscles). The disease also leads to a mask-like expressionless face, premature balding, cataracts, and heart arrhythmias (abnormalities in heart rhythm). The onset of such problems is usually in young adulthood. […]
- Myotonic dystrophy type 2
An inherited disorder of the muscles and other body systems characterized by progressive muscle weakness, prolonged muscle contractions (myotonia), clouding of the lens of the eye (cataracts), cardiac abnormalities, balding, and infertility. Type 2 myotonic dystrophy is caused by mutation of a different gene than type 1 myotonic dystrophy and tends to be milder than […]
- Myriad
A great number, a very large number, a huge number of something. There are, for example, myriad ways in which syphilis can present; it is the great imitator. “Myriad” is a Greek word for 10,000 (ten thousand).
- Myringotomy
A surgically placed tiny incision in the eardrum. Any fluid behind the eardrum can then drain and usually thickened secretions can be removed. A small plastic ear tube (a tympanostomy tube) is often inserted into the eardrum to keep the middle ear aerated for a prolonged period of time. These ventilating tubes usually remain in […]
- Myxedema coma
A rare and life-threatening complication of hypothyroidism (low levels of thyroid hormones in the bloodstream) characterized by loss of brain function (coma). Before a patient develops myxedema coma, features of hypothyroidism are usually present and may have gone unsuspected for a long period of time, including fatigue, lethargy, intolerance to cold, mental and mood changes, […]