Formula for Corrected Calcium in Hypoalbuminemia
Corrected Ca = Measured Ca2 + 0.8 x (4.0 - Albumin)
Example: Serum Ca2 7.5 mg/dL, Albumin 2.0 g/dL
Corrected Ca2 = 7.5 + 0.8 x (4.0-2.0) = 7.5 + 1.6 = 9.1 mg/dL
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