Inclusion Criteria
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Diagnosis of ADHF
At least 1 symptom (dyspnea, orthopnea, or edema) AND
At least 1 sign (rales, edema, ascites, chest radiographic signs of HF)
Enrolled within 24 hours of hospital admission
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Estimated glomerular filtration rate(GFR) of ≥ 15 but ≤ 60 mL/min/1.73m2
Age ≥18 years old
Willingness to provide informed consent
No contraindications to placement of peripherally or centrally placed central line
Anticipated hospitalization of at least 72 hours
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