title: Use of a left atrial pressure monitor to diagnose a malfunctioning mitral valve prosthesis.
mesh_terms: D001794:Blood Pressure; D006325:Heart Atria / Q000503:physiopathology; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000503:physiopathology*