title: Mitral valve motion in atrial tachycardia with block.
mesh_terms: D004452:Echocardiography; D004562:Electrocardiography; D006325:Heart Atria / Q000503:physiopathology*; D006327:Heart Block / Q000503:physiopathology*; D006329:Heart Conduction System / Q000503:physiopathology; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000503:physiopathology*; D009038:Motion