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Thyrotoxic myopathy is usually diagnosed by a neurologist who has extensive experience diagnosing neuromuscular disorders. There are many types of neuromuscular disorders that present similar physical symptoms. Extensive clinical tests are performed first to determine if there is a neuromuscular disorder and then to determine which disorder it is.
Thyrotoxic periodic paralysis (TPP) is a rare condition featuring attacks of muscle weakness in the presence of hyperthyroidism (overactivity of the thyroid gland). Hypokalemia (a decreased potassium level in the blood) is usually present during attacks.
In medicine, myopathy is a disease of the muscle [1] in which the muscle fibers do not function properly. Myopathy means muscle disease ( Greek : myo- muscle + patheia -pathy : suffering ). This meaning implies that the primary defect is within the muscle, as opposed to the nerves (" neuropathies " or " neurogenic " disorders) or elsewhere (e.g ...
[7] [9] A 12 Minutes Walk Test (12MWT) can also be used to determine "second wind" which is also seen in McArdle disease (GSD-V) and phosphoglucomutase deficiency (PGM1-CDG/CDG1T/GSD-XIV). [7] [26] A cardiopulmonary exercise test can measure both heart rate and breathing, to evaluate the oxygen cost (∆V'O 2 /∆Work-Rate) during incremental ...
Myxedema coma is an extreme or decompensated form of hypothyroidism and while uncommon, is potentially lethal. [1] [2] [3] A person may have laboratory values identical to a "normal" hypothyroid state, but a stressful event (such as an infection, myocardial infarction, or stroke) precipitates the myxedema coma state, usually in the elderly.
Late-onset distal myopathy, Markesbery-Griggs type Zaspopathy has an autosomal dominant pattern of inheritance . Zaspopathy , [ 1 ] also called ZASP-related myofibril myopathy , [ 2 ] is a novel autosomal dominant [ 3 ] form of progressive muscular dystrophy , first described in 2005.
Thyrotoxic symptoms are usually mild and in some individuals, the hypothyroid phase is the only symptomatic phase. [4] [5] [7] In the hypothyroid phase, patient may experience cold intolerance, fatigue, weight gain, or depression. The hypothyroidism may or may not resolve spontaneously.
Distal myopathy is a group of rare genetic disorders that cause muscle damage and weakness, predominantly in the hands and/or feet. Mutation of many different genes can be causative. Mutation of many different genes can be causative.