Influence of subclinical hyperthyroidism on the cardiovascular system
Author(s) -
T. Yu. Demidova,
Демидова Татьяна Юльевна,
I N Drozdova,
Дроздова Ирина Николаевна
Publication year - 2015
Publication title -
clinical and experimental thyroidology
Language(s) - English
Resource type - Journals
eISSN - 2310-3787
pISSN - 1995-5472
DOI - 10.14341/ket2015233-37
Subject(s) - subclinical infection , medicine , cardiology , atrial fibrillation , coronary heart disease , clinical significance
Subclinical hyperthyroidism occurs when the serum TSH is below the lower limit of the reference range and the free T4 and T3 concentrations are normal. Тhe clinical significance of subclinical hyperthyroidism is much debated. Subclinical hyperthyroidism has been associated with several biological effects on cardiovascular system, such as increased heart rate, left ventricular mass. Observational studies have reported an association between subclinical hyperthyroidism and coronary heart disease, incident atrial fibrillation, and cardiac dysfunction.
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