Fig. 2From: Right ventricular size and function under riociguat in pulmonary arterial hypertension and chronic thromboembolic pulmonary hypertension (the RIVER study)Right atrial and right ventricular areas in patients who completed all four echocardiographic assessments. Patients who completed echocardiographic assessments at baseline, 3, 6 and 12 months showed a significant reduction of right atrial and right ventricular areas for all time points. Values are given as mean ± standard error of the meanBack to article page