NPPB and hydrops fetalis: A substantial evidence base exists supporting the role of BNP/NT‐proBNP and cTn as diagnostic and prognostic markers of acute and chronic HF;48, 49, 50, 51, 52, 53 however, the recent emergence of sST2 and galectin‐3 as prognostic markers led to their inclusion in the 2017 HF guidelines for additive risk stratification.25