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Subclinical Hypothyroidism: An Overlooked Cause of Atrial Fibrillation?


The association between clinical (1) or subclinical (2) hyperthyroidism and atrial fibrillation is established from large prospective cohort studies, with serum free thyroxin (T4) concentrations correlating with atrial fibrillation rates (3). However, the role of subclinical hypothyroidism as a causal factor for atrial fibrillation has not been elucidated.

Credits: Theofilos M. Kolettis, MD; Agathocles Tsatsoulis, MD



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Introduction to AFib
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