Figure 2From: The concentration of oxygen, lactate and glucose in the central veins, right heart, and pulmonary artery: a study in patients with pulmonary hypertensionGlucose concentration at the various sampling sites. Nine patients were included. Values are expressed as mean ± standard error. *P < 0.01 comparing inferior vena cava (IVC) versus superior vena cava (SVC). ¶P < 0.05 comparing right atrium (RA) and right ventricle (RV) versus SVC. PA, pulmonary artery.Back to article page