Fig. 1From: Microvascular alterations in patients with SARS-COV-2 severe pneumoniaSublingual microcirculation of two patients with SARS-COV2 severe pneumonia. Patient (a) showed a significantly lower perfused vessel density as compared to patient (b). D-dimer levels were 6367 ng/ml in patient (a) and 741 ng/ml in patient (b). PaO2/FiO2 ratio was 74 mmHg in patient (a) and 247 mmHg in patient (b)Back to article page