NPPB and hydrops fetalis: In the STRONG‐HF (Safety, Tolerability, and Efficacy of Rapid Optimization, Helped by N‐Terminal Pro–Brain Natriuretic Peptide Testing of Heart Failure Therapies) trial, changes in NT‐proBNP were incorporated into an algorithm for the rapid up‐titration of guideline‐recommended therapies for heart failure following discharge from hospital.42