Figure 4From: Low tidal volume protects pulmonary vasomotor function from “second-hit” injury in acute lung injury ratsEndothelium-independent relaxation response to sodium nitroprusside in isolated rat pulmonary artery rings. SNP= sodium nitroprusside. No difference of endothelium-independent relaxation to sodium nitroprusside among the groups. Six Rats/Group. CON=Control Group, ALI=Acute lung injury Group, LV=Low tidal volume Group, VLV=Very low tidal volume Group, MV=Large tidal volume Group.Back to article page