title: Ventricular tachycardia with QRS of variable amplitude: an implication of atrioventricular dissociation.
mesh_terms: D000368:Aged; D004452:Echocardiography; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000175:diagnosis / Q000503:physiopathology*; D006352:Heart Ventricles / Q000503:physiopathology; D006439:Hemodynamics; D006801:Humans; D012119:Respiration; D013610:Tachycardia / Q000175:diagnosis / Q000503:physiopathology*