MME and hydrops fetalis: A post hoc analysis of the PARAGON‐HF (Prospective Comparison of ARNI [angiotensin receptor–neprilysin inhibitor] with ARB [angiotensin receptor blocker] Global Outcomes in HF with Preserved Ejection Fraction) trial showed an increasing neutrophil‐to‐lymphocyte ratio, a marker of systemic inflammation, with worsening frailty in HF patients.15