NPPB and pulmonary edema: A physical examination is helpful in the correct clinical context.(19-21) Although studies of the utility of brain natriuretic peptide and transthoracic echocardiogram have produced mixed results,(22-25)chest radiography can accurately detect cardiogenic pulmonary edema regardless of dialysis status.(26-28)Lung ultrasound, which searches for signs of pulmonary edema, is emerging as a useful tool for setting ultrafiltration targets.