Guide To Dermatomyositis Complications And Related Conditions
Myocarditis
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An individual with dermatomyositis is at a greater risk of developing myocarditis than someone who is not affected by dermatomyositis. Myocarditis is inflammation that develops in an individual's heart muscle, the myocardium. An individual who develops myocarditis may experience symptoms like shortness of breath, heart arrhythmias, fatigue, and chest pain. Some individuals develop myocarditis as a part of a larger abnormal immune reaction where their immune system attacks healthy tissues in the body by mistake. It is thought that the association between myocarditis and dermatomyositis has to do with the theory they are both conditions caused by abnormal immune system reactions. It is thought that the same inflammatory cells surrounding the heart muscle tissues and small blood vessels that are located in other muscles cause the destruction of the healthy muscle fibers in the heart and other skeletal muscle tissues.
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