MI, myocardial infarction; PCI, percutaneous coronary intervention; CABG, coronary artery bypass grafting; HF, heart failure; LVEF, left ventricular ejection fraction; LVEDD, left ventricular end-diastolic diameter; IVS, interventricular septum; BNP, brain natriuretic peptide; ACE, angiotensin-converting enzyme; ARB, angiotensin-II receptor blockers. The gene discussed is ACE; the disease is heart failure.