Fig. 6From: Pathophysiology of right ventricular failure in acute pulmonary embolism and chronic thromboembolic pulmonary hypertension: a pictorial essay for the interventional radiologistTricuspid regurgitation in a dilated right ventricle and right atrium. Fiesta cine sequence MRI image demonstrates a four-chamber view with incomplete closure of the tricuspid valve due to right ventricular dilatation resulting in tricuspid valve regurgitation (arrow)Back to article page