Fig. 1From: Discrepant post filter ionized calcium concentrations by common blood gas analyzers in CRRT using regional citrate anticoagulationSampling points for ionized calcium (iCa) concentration measurements in regional citrate anticoagulation for continuous renal replacement therapy. Blood samples for iCa concentration measurements in systemic samples are taken in 1) and blood samples for iCa concentrations measurements in post filter samples are taken in 2)Back to article page