This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Mitral stenosis is associated with : 
Select and explain. 
A. Right ventricular hyperophy, B. Left ventricular hyperophy, C. Left axis detion, D. QRS complex
A: Right ventricular hyperophy
Answer: A: Right ventricular hyperophy 
Explanation: Answer is A (Right ventricular hyperophy) Mitral stenosis is associated with right ventricular hyperophy. Left ventricular diastolic pressure is normal in isolated MS. Mitral stenosis : Features left atrial pressure is increased pulmonary aerial pressure is increased Increased right ventricular after load impedes the emptying of this chamber and Right ventricular end diastolic pressure and volume increase. Right ventricular hyperophy occurs.