Patients were considered RELAX-AHF-type if they met the following criteria : discharge diagnosis of heart failure , systolic blood pressure > @ mm Hg , dyspnea at rest or with mild exertion , intravenous diuretic use , glomerular filtration rate of @ to @ mL/min per @ m ( @ ) , hemoglobin > @ g/dL , and no use of intravenous inotropes or vasopressors .