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Fig. 2 | Critical Care

Fig. 2

From: Microcirculatory alterations in critically ill COVID-19 patients analyzed using artificial intelligence

Fig. 2

Representative examples of time-based mean images of the sublingual microcirculation obtained via handheld vital microscopy in healthy volunteers (A) and critically ill COVID-19 patients (B), and comparison of functional microcirculatory hemodynamic variables in both groups (C). Critically ill COVID-19 patients display disseminated intravascular coagulation (arrow, B left image) and red blood cell microaggregates (arrow, B right image) as previously described [2], representing examples for disease-specific morphological changes with respect to the healthy volunteers. FCD, functional capillary density; RBCv, red blood cell velocity; cHct, capillary hematocrit. Units are [mm mm−2] for FCD, [μm s−1] for RBCv and [%] for cHct

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