NT-proBNP was recorded in only 38.1% of HF patients, although it isrecommended in the HF guidelines as a test to assist GPs to rule out HF.Especially in elderly patients with comorbidities, such as COPD, HF patients maybe overdiagnosed due to overlap in symptoms and signs (Brenner etal., 2013). Here, NPPB is linked to hydrops fetalis.