Figure 2. Canine, transthoracic, 2-dimensional, right parasternal long-axis view. Visible dilation of right atrium and concentric hypertrophy of the right ventricle, especially the right ventricular free wall (*).

Pulmonary hypertension in dogs: an overview

The systemic circulation consists of veins, venules, arteries, arterioles and capillaries, and is a high-pressure system. There is a significant pressure difference between the arterial and venous...