2Hunt SA, Baker DW, Chin MH, et al. ACC/AHA 2005 guideline update for the diagnosis and management of chronic heart failure in the adult: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines ( Writing Committee to Update the 2001 Guidelines for the Evaluation and Management of Heart Failure) [J]. J Am Coll Cardiol, 2005, 46:1 -82.