TG and hydrops fetalis: Patients with heart failure (HF) resulting from coronary artery disease or other causes that lead to systolic or diastolic dysfunction often present with thyroid abnormalities with low circulating thyroid hormones (subclinical hypothyroidism or low T3 syndrome), occurring with increasing frequency with increased disease severity (Ascheim and Hryniewicz 2002; Ertugrul et al. 2011; Pingitore et al. 2005; Rothberger et al. 2017; Hayashi et al. 2016; Iervasi et al. 2003; Hamilton et al. 1990; Kannan et al. 2018).