Detailed Instructions: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Q: 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.
A:
3