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Fig. 1 | Critical Care

Fig. 1

From: A physiological approach to understand the role of respiratory effort in the progression of lung injury in SARS-CoV-2 infection

Fig. 1

Electrical impedance tomography maps of ventilation in one ARDS patient before (superior line) and after intubation using volume-controlled ventilation (VCV) mode (inferior line). Images correspond to one complete respiratory cycle, and it was divided since beginning of inspiration to end-expiration. Observe differences in the inflation pattern. At beginning of inspiration ventilation starts in the most dependent lung regions in spontaneous breathing (SB) and more central regions in VCV. At the end of inspiration ventilation is predominantly dorsal in SB and predominantly central in VCV. The beginning of expiration presents a displacement of center of ventilation directed to ventral in SB and maintaining central in VCV. At the end of expiration, it is observed that ventilation ended in the ventral part of lungs in case of SB, and in the intermediate lung region of VCV. Modified from: Bachmann MC, Basoalto R, Soto, et al. Intensive Care Med Exp. 2018;6(Suppl 2):0274

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Critical Care

ISSN: 1364-8535