NPPB and chronic kidney disease: Initial admission findings show that pulmonary basilar rales, worse NYHA FC, peripheral edema, lower LVEF, higher urine acid, higher urea, higher creatinine, lower glomerular filtration rate (GFR), higher potassium, lower hemoglobin, and a higher prevalence of medical histories of CKD and A-fib were observed in those patients with BNP >100 pg/ml versus patients with BNP ≤100 pg/ml.