In the outpatient care setting, Miglioranza et al.34 have reported that a number of B-lines≥15 correlates with NT-proBNP > 1000 (p < 0.001), E/e' ratio >15(p = 0.001) and clinical assessment (p < 0.001), with sensitivity of 85% andspecificity of 83%, for the risk of decompensated HF. Here, NPPB is linked to hydrops fetalis.