Right Ventricular Dysfunction Progressive right heart failure is the usual immediate cause of death from pe As pulmonary vascular resistance increases, right ventricular wall tension rises and perpetuates further right ventricle dilation and dysfunction Interventricular septum bulges into and compresses the normal left ventricle MBBS project, Zhongshan HospitalMBBS project, Zhongshan Hospital Right Ventricular Dysfunction • Progressive right heart failure is the usual immediate cause of death from PE • As pulmonary vascular resistance increases, right ventricular wall tension rises and perpetuates further right ventricle dilation and dysfunction • Interventricular septum bulges into and compresses the normal left ventricle