TNNT2 and hydrops fetalis: However, we did find some known CM genes: FLNC (LVEF, LVESV, HF), PLN (LVEDV), and ACTIN2 (HF), as well as genes related to known CM genes like TNNT2 (TNNT3 - HF) and TMEM43 (TMEM170A, TMEM241, TMEM150A, TMEM245 - HF).