Summary Background After many studies about the left ventricle (LV), little is known about the effect of thyroid hormones deprivation at the right ventricle (RV). Objective This study was aimed to evaluate the right ventricular function in patients who had hypothyroidism in different degrees of disease severity. Methods Eighteen patients with primary hypothyroidism were submitted to two-dimensional echocardiography evaluation, of which 10 (55,6%) had TSH < 12 mIU/L (less high TSH group) and 8 (44,4%) had TSH > 12 mIU/L […]