Key result
Thyroid dysfunction linked to arrhythmias including tachycardia, bradycardia, and AF.
Thyroid hormone disorders can cause severe cardiac arrhythmias, highlighting the need for interdisciplinary collaboration between endocrinologists and cardiologists.
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Thyroid dysfunction may prompt rhythm monitoring; leaves open prospective validation of arrhythmia risk.
<ns3:p>Thyroid gland dysfunction is estimated to occur in approximately 5% of the population and affects people of different ages. Cardiovascular diseases can occur in diseases such as hyperthyroidism as well as hypothyroidism. Increased thyroid hormone levels precipitate sympathetic nervous system activation, potentially culminating in heightened heart rate (tachycardia) and disruptions in electrical conduction. This influence can induce QT interval shortening and provoke premature ventricular contractions (PVCs), amplifying the propensity for more severe arrhythmic manifestations. Insufficiency of thyroid hormones decelerates metabolic activity, potentially leading to bradycardia. Hypothyroidism elevates the risk of atrial fibrillation occurrence and additionally elongates QT intervals, enhancing the susceptibility to torsade de pointes. Untreated hormone disorders affect severe cardiac complications, which can occur in patients with previously diagnosed heart disease. Effective management of cardiac arrhythmias in patients with thyroid dysfunction necessitates interdisciplinary collaboration between endocrinologists and cardiologists.</ns3:p>
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Majer et al. (2023) conducted a review in Thyroid gland dysfunction and heart rhythm disorders. Thyroid gland dysfunction was evaluated. Thyroid gland dysfunction, including both hyperthyroidism and hypothyroidism, is associated with various heart rhythm disorders such as tachycardia, bradycardia, and atrial fibrillation.
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