Myopathy [Neurosurgery Wiki]

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====== Myopathy ======


Myopathy is a general term referring to any disease that affects the [[muscle]]s that control voluntary movement in the body. Patients experience [[muscle weakness]] due to a dysfunction of the muscle fibers.




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statin-induced myopathy: can vary from mild (with symptoms of muscle aches, symptoms usu-
ally abate rapidly after discontinuation of the statin, although occasionally up to 2 months may
be required) to severe (with rhabdomyolysis which can → nephropathy)

critical illness myopathy: Muscles not excitable with direct stimulation. EMG: low or normal CMAP with a normal SNAP. [[Muscle biopsy]]: abnormalities may range from Type II fiber atrophy to necrosis (severe necrosis may not recover)

Rodriguez B, Nansoz S, Cameron DR, Z'Graggen WJ. Is myopathy part of long-[[Covid]]? Clin Neurophysiol. 2021 Mar 26:S1388-2457(21)00476-4. doi: 10.1016/j.clinph.2021.03.008. Epub ahead of print. PMID: 33867257.


===== Steroid myopathy =====

[[Steroid myopathy]].