title: Spontaneous conversion of long standing atrial fibrillation to sinus rhythm--an unusual pre-terminal phenomenon.
mesh_terms: D001146:Arrhythmia, Sinus / Q000503:physiopathology*; D001281:Atrial Fibrillation / Q000503:physiopathology*; D002311:Cardiomyopathy, Dilated / Q000503:physiopathology*; D005260:Female; D006333:Heart Failure / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000503:physiopathology*