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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 ...
Metabolic myopathies are myopathies that result from defects in biochemical metabolism that primarily affect muscle. They are generally genetic defects (inborn errors of metabolism) that interfere with the ability to create energy, causing a low ATP reservoir within the muscle cell.
[1] [4] [5] The thyroid gland may be firm, finely nodular, and may or may not be diffusely enlarged. [4] [5] Similar to subacute granulomatous thyroiditis, there is an initial transient thyrotoxic phase that can last 2-5 months followed by a hypothyroid phase. Thyrotoxic symptoms are usually mild and in some individuals, the hypothyroid phase ...
Brody disease (also known as Brody myopathy) includes symptoms similar to myotonia congenita, including muscle stiffness and cramping after initiating exercise (delayed muscle relaxation). However, it is pseudo- myotonia as those with Brody disease have normal EMG .
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.
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.