The next day, the EKG confirmed the abnormality with her heart. According to the results, it was beating faster and the muscle was working harder than normal. The cardiologist who interpreted the EKG included a note that reinforced my suspicions: possible Graves’ disease. Slim builds and strong heartbeats (as well as hair breakage) can be signs of Graves’, which is an autoimmune disease that results in the thyroid gland being overstimulated. Unlike the example I gave earlier of hypothyroidism (when the thyroid gland doesn’t make enough thyroid hormone), Graves’ disease is a case of
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