Some research suggests there may be a link between hyperthyroidism and tachycardia. When a person has hyperthyroidism, the body produces too much thyroid hormone, which can affect the heart. People ...

Surgery and radioactive iodine (RAI) are associated with a lower risk for long-term major adverse cardiovascular events (MACE) than long-term use of antithyroid drugs in patients with newly diagnosed ...

Hyperthyroidism can lead to heart-related complications like atrial fibrillation and coronary artery disease. If you have hyperthyroidism, chest pain is a potential sign of these complications.