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Normal: 3.5 to 5 g/dL
Albumin is synthesized by the liver and is responsible for maintaining plasma oncotic pressure and for binding numerous hormones, anions, and fatty acids.
Hypoalbuminemia: Less than 3.5 g/dL
Hypoalbuminemia is not associated with specific symptoms or signs until concentrations become quite low. At very low concentrations (2 to 2.5 g/dL), patients can develop peripheral edema, ascites, or pulmonary edema.
Mild deficit: 2.8 to 3.5 g/dL
Moderate deficit: 2.1 to 2.7 g/dL
Severe deficit: Less than 2.1 g/dL
Optimal re-feeding leads to a gradual increase in serum albumin.
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