A radioactive scan or ultrasound may be needed to determine whether overactive thyroid nodules are the cause of the hyperthyroidism.
... Hyperthyroidism occurs when an excess
in thyroid hormone produces

the symptoms of abnormally high metabolism, either due to an overactive thyroid gland, ... Overactive thyroid gland is potentially dangerous thyroid condition and, if left untreated, can cause potentially fatal heart rhythm

abnormalities and ... File Format: PDFAdobe Acrobat - View

as HTML Also known as “overactive thyroid” or “thyrotoxicosis,” hyperthyroidism is a condition marked by an abnormally high level of thyroid hormones. ... Overactive thyroid gland is potentially dangerous thyroid condition and, if left

untreated, can cause potentially fatal heart rhythm abnormalities and ... Do you have a thyroid condition? Is your thyroid underactive -- you have hypothyroidism -- or overactive -- you're hyperthyroid? If so, there are a

variety ... Having an overactive thyroid gland, with no symptoms of thyroid disease, is associated with an increased risk for atrial fibrillation -- an abnormal heart ... Hyperthyroidism occurs when an excess in thyroid hormone produces