TNNT2 and hydrops fetalis: In a pooled analysis of the ARIC, DHS, and MESA studies, the role of elevated cardiac biomarkers, hs-cTnT ≥ 6 ng/L and NT-proBNP ≥ 100 pg/mL, and ECG LVH (defined as malignant LVH) to predict incident HF was investigated [38].