Figure 8From: Use of echocardiographic pulmonary acceleration time and estimated vascular resistance for the evaluation of possible pulmonary hypertension Relation of PVR during catheterization in Wood units (WU) to TTVG/TVI RVOT (see methods) in mmHg/cm, (n = 25, the four end-stage cases shown but not included in regression analysis) with 95% confidence interval for the population shown. Back to article page