Fig. 3From: Microcirculatory dysfunction and dead-space ventilation in early ARDS: a hypothesis-generating observational studyRelationships between dynamic variations in pulmonary dead-space fraction (VD/VT) and microcirculatory blood flow. Scatter plot depicting the correlation between variations in pulmonary dead-space fraction (Δ-VD/VT) vs. percentage of change in small vessels perfused (Δ-PPV) between baseline and 24 h afterBack to article page