Mitral stenosis and the crescendo presystolic murmur.
D001281:Atrial Fibrillation / Q000175:diagnosis; D001794:Blood Pressure; D006325:Heart Atria; D006326:Heart Auscultation; D006801:Humans; D008946:Mitral Valve Stenosis / Q000175:diagnosis*; D010701:Phonocardiography