<prompt> Mitral stenosis is associated withRight ventricular hyperophyLeft ventricular hyperophyLeft axis detionQRS complex  <response>: Ref Harrison 19 th ed pg 1540 MS and sinus rhythm, the P wave usually suggests LA enlargement . It may become tall and peaked in lead II and upright in lead V1 when severe pulmonary hypeension or TS complicates MS and right atrial RA enlargement occurs. The QRS complex is usually normal 