title: Effect of dynamic myocardial dyssynchrony on mitral regurgitation during supine bicycle exercise stress echocardiography in patients with idiopathic dilated cardiomyopathy and 'narrow' QRS.
authors.forename: Ze-Zhou
authors.initials: ZZ
authors.lastname: Song
mesh_terms: D002311:Cardiomyopathy, Dilated / Q000150:complications*; D004452:Echocardiography / Q000379:methods; D015444:Exercise / Q000502:physiology*; D005080:Exercise Test; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000150:complications*