Marcia's diagnosis would be Grave's disease. all those symptom's exhibits the said disease. Another term for this disease in toxic diffuse goiter, which is an autoimmune disease basically affecting the goiter of a person. It is the very common type of hyperthyroidism. other signs and symptoms may include tremor of hands and fingers, enlargement of the thyroid gland, irregular menstrual cycle (female), erectile dysfunction (male), buldged eyes (Graves' opthalmopathy), fatigue, and Graves' dermopathy. her physicain may prescribe her with Radioactive iodine therapy by mouth. the thyroid needs the iodine to produce hormones (TSH) which are very low with persons with grave's disease. Beta - bolckers can also be prescribes not for the thyroid but to reduce the signs ans symptoms provided by the disease.