Abstract
Introduction: Hyperthyroidism is characterized by an increase in the synthesis of thyroid hormones, which have an important effect on the cardiovascular system, which could predispose to the development of heart failure in this population.
Objective: To review the pathophysiological mechanisms through which heart failure occurs in patients with hyperthyroidism.
Methods: A narrative review of the literature on the effect of hyperthyroidism on the heart and the pathophysiological mechanisms related to heart failure was performed.
Results: Increased thyroid hormones exert an effect on heart rate, contractile function, and electrical conduction of the heart, which is related to the appearance of high output heart failure and late the presence of dilated cardiomyopathy can be observed, findings potentially reversible with the treatment of the underlying pathology.
Conclusions: Hyperthyroidism-related heart failure is a heterogeneous disease, potentially reversible with treatment of the underlying endocrinological disease.
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