low albumin can decrease calcium concentration

  • albumin can change calcium levels
  • Ca fall by 0.8 for every 1 g/dL albumin fall
Corrected Ca=0.8×(4−Pt′s Albumin)+Serum CaCorrected\space Ca = 0.8 \times (4 - Pt's\space Albumin) + Serum\space Ca

Note: formula assumes albumin units in g/dL.1

Footnotes

  1. https://www.mdcalc.com/calc/31/calcium-correction-hypoalbuminemia#evidence ↩