Hubungan Mitral Valve Gradient Terhadap Kapasitas Fungsional Protokol Bruce termodifikasi pada Pasien Stenosis Mitral Rematik Pasca Komisurotomi Mitral Transkateter Perkutan = Association of Mitral Valve Gradient with Functional Capacity Modified Bruce Protocol in Rheumatic Mitral Stenosis post Baloon Mitral Valvuloplasty