Barthel Index score, systolic blood pres sure, age, NT-proBNP level, potassium level, elevated cardiac troponin T (cTnT) level, NYHA class IV disease, respiratory rate, low-output symptoms, oxygen saturation, episode associated with an acute coronary syndrome, left ventricular hypertro phy on electrocardiogram, and creatinine level. This evidence concerns the gene NPPB and acute coronary syndrome.