How does hyperthyroidism affect the heart?
Also, can hyperthyroidism cause heart problems?
Hyperthyroidism can lead to a number of complications: Heart problems. These include a rapid heart rate, a heart rhythm disorder called atrial fibrillation that increases your risk of stroke, and congestive heart failure — a condition in which your heart can't circulate enough blood to meet your body's needs.
Also, how does hyperthyroidism cause increased heart rate? Excess thyroid hormone causes palpitations and some degree of exercise intolerance that is due to an increased heart rate and fatigue. The changes in heart rate are a result of a change in the nervous system's control on the heart. The amount of blood pumped out by the heart is also increased in hyperthyroidism.
Similarly, you may ask, how does thyroid hormone affect the heart?
Cardiovascular system: Thyroid hormones increases heart rate, cardiac contractility and cardiac output. They also promote vasodilation, which leads to enhanced blood flow to many organs. Central nervous system: Both decreased and increased concentrations of thyroid hormones lead to alterations in mental state.
Can Graves disease cause heart damage?
Graves' disease is rarely life-threatening. However, without treatment, it can lead to heart problems and weak and brittle bones. Graves' disease is known as an autoimmune disorder. That's because with the disease, your immune system attacks your thyroid — a small, butterfly-shaped gland at the base of your neck.