This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
[{'content': 'Where pulsatile liver and ascites is found - \nSelect and explain. \nA. TI, B. Critical pulmonary stenosis, C. MR, D. MS', 'role': 'user'}, {'content': "Answer: A \nExplanation: Tricuspid insufficiency (TI), a valvular hea disease also called tricuspid regurgitation (TR), refers to the failure of the hea's tricuspid valve to close properly during systole . This defect allows the blood to flow backwards, reducing its efficiency. Regurgitation may be due to a structural change of components of the tricuspid valve apparatus, a lesion can be primary (intrinsic abnormality) or secondary (right ventricular dilatation) pulsatile liver and ascitis are a charecteristic feature of Tricuspid insufficiency Ref Davidson 23rd edition pg 445", 'role': 'assistant'}]