Figure 1From: Nitroglycerin reverts clinical manifestations of poor peripheral perfusion in patients with circulatory shockFlowchart of the study protocol. Time points of the study were defined as baseline 1 before nitroglycerin infusion (TBL1), time point when peripheral perfusion was normalized at the maximum dose of nitroglycerin (TMX), and baseline 2 recorded 30Â minutes after cessation of nitroglycerin infusion (TBL2). NTG, nitroglycerin.Back to article page