Fig. 1From: Sublingual microcirculation does not reflect red blood cell transfusion thresholds in the intensive care unit—a prospective observational study in the intensive care unitΔMFI (a) and ΔPPV (b) after RBC transfusion in correlation with the pre-transfusion baseline. MFI, microvascular flow index; RBC, red blood cell; PPV, proportion of perfused vesselsBack to article page