title: Presystolic murmur in atrial fibrillation: fact or fiction?
mesh_terms: D001281:Atrial Fibrillation / Q000503:physiopathology*; D004452:Echocardiography; D004562:Electrocardiography; D006326:Heart Auscultation; D006337:Heart Murmurs; D006439:Hemodynamics; D006801:Humans; D008943:Mitral Valve / Q000503:physiopathology; D008946:Mitral Valve Stenosis / Q000503:physiopathology; D009200:Myocardial Contraction; D013997:Time Factors; D014261:Tricuspid Valve / Q000503:physiopathology