Thyroid issues and heart impact

The article discusses the impact of thyroid disorders, whether hypothyroidism or hyperthyroidism, on the functions of the heart and blood vessels. It explains that hypothyroidism leads to a slowing of the heart rate, decreased cardiac contractility, elevated cholesterol levels, and increased vascular resistance, which together elevate the risk of atherosclerosis and hypertension. It also clarifies that hyperthyroidism causes an acceleration of heart rate, high blood pressure, arrhythmias such as atrial fibrillation, and increased cardiac output, all of which can threaten heart health, especially in patients with existing heart conditions. The article highlights that both types of disorders have opposing effects on the heart, discusses the underlying cellular and vascular mechanisms involved, and emphasizes the importance of early diagnosis and treatment to reduce complications.

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