Abbreviations: PCI = percutaneous coronary intervention, CABG = coronary artery bypass grafting, MI = myocardial infarction, ACE = angiotensin-converting enzyme, ARB = angiotensin II receptor blocker, GFR = glomerular filtration rate, BNP = brain natriuretic peptide, LVEF = left ventricular ejection fraction, ER = emergency room. Here, NPPB is linked to myocardial infarction.