Luca Bettari, Mona Fiuzat, Gary M Felker, Christopher M O'Connor
Heart failure is one of the most common, costly, disabling and growing diseases (McMurray and Pfeffer in Lancet 365(9474):1877-1889, 2005). Hyponatremia, conventionally defined as a serum-sodium concentration equal or less than 135 mmol/l (American Heart Association in Heart disease and stroke statistics--2007 update. American Heart Association, Dallas, 2007; Stewart et al. in Eur J Heart Fail 4:361-371, 2002), is a common phenomenon in patients with heart failure, with an incidence of 20-25% (Krumholz et al...
January 2012: Heart Failure Reviews