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': 'Findings in a case of advanced mitral stenosis include- \nSelect and explain. \nA. Low pulse pressure, B. LVH, C. Exercise induced angina, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The normal left ventricular diastolic pressure is 5 mmHg. A pressure gradient across the mitral valve of 20 mmHg due to severe mitral stenosis will cause a left atrial pressure of about 25 mmHg. With the loss of the atrial kick where has in advanced disease there is low pulse pressure Ref Davidson 23rd edition pg 434', 'role': 'assistant'}]