Fig. 2
From: Pulmonary veno-occlusive disease as a cause of severe pulmonary hypertension in a dog
B-mode echocardiographic images from the right parasternal short axis view of the ventricles pre-and post-vasodilator therapy. a Echocardiogram at presentation: severe dilation of the right ventricle (RV), flattening of the interventricular septum (IVS) and a hypovolemic left ventricle (LV). b Echocardiogram 3 days after initiation of vasodilator therapy: almost complete normalization of cardiac dimensions and normal position of the IVS