Task: Question Answering
Input (English): Question: A 52-year-old patient who reported dyspnea of ​​medium effort for 6 months. He has not presented angina or syncopes. The physical examination and diagnostic tests show the existence of an average aortic transvalvular gradient of 55 mmHg and a calculated area of ​​0.7 cm2. Ejection fraction of 65%. The treatment that should be indicated to this patient is: 
 Options:  <1> Diuretics and more frequent controls by a specialist. <2> In case of increasing dyspnea on exertion, a percutaneous dilatation of the aortic valve with a balloon catheter should be performed. <3> Replacement of the aortic valve with a prosthesis / bioprosthesis. <4> Replacement of the aortic valve by a homograft. <5> Implantation of a percutaneous valve.
Output (English): 3