Fig. 4From: Weaning failure of cardiovascular origin: how to suspect, detect and treat—a review of the literature(adapted from [18])Individual values of systolic blood pressure (sBP) (left) and pulmonary artery occlusion pressure (PAOP) (right) obtained on mechanical ventilation (MV) and at the 10th minute (Start) and the last minute (End) of a spontaneous breathing trial without (upper panel) and with nitroglycerin treatment (lower panel)Back to article page