Fig. 1
From: Reversibility of acute pulmonary hypertension after resolution of exacerbation in patients with COPD
Right heart catheterization measurements during and 6 weeks after the resolution of acute exacerbation of chronic obstructive pulmonary disease (AE-COPD). The figure shows individual data (n = 13) with square symbols representing the means ± SEM. *p < 0.05 during AE-COPD versus 6 weeks after resolution. Abbreviations: CI, cardiac index; CO, cardiac output; PAP, pulmonary artery pressure; PAWP, pulmonary artery wedge pressure; PVR, pulmonary vascular resistance; WU, wood units