Thyrotoxicosis and Atrial Fibrillation

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June 23, 2024

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Thyrotoxicosis is a clinical syndrome caused by the effect of excess thyroid hormones on the body. The term “hyperthyroidism” is also used to describe this syndrome - a state of hyperproduction of thyroid hormones by the thyroid gland, both pathological and physiological (for example, during pregnancy). The frequency of detection of hyperthyroidism in patients with atrial fibrillation (AF), according to various authors, ranges from 5 to 63% and depends on many factors: the age and gender of the patients, the initial state of the cardiovascular system and thyroid gland, the treatment, and also on the severity iodine deficiency in the region where the subjects live.