This image is a right superior oblique view. the anterior interventricular artery (1) is observed marking the boundary between the right ventricle (RV) and left ventricle (LV). between the right atrium and the right ventricle can be seen on the right (2) coronary artery. they can see the pulmonary artery (LM) out of the right ventricle. and subsequent to the LM is the aorta (Ao).