Characterization and prognostic value of persistent hyponatremia in patients with severe heart failure in the ESCAPE trial

Mihai Gheorghiade, Joseph S. Rossi, William Cotts, David D. Shin, Anne S. Hellkamp, Ileana L. Piña, Gregg C. Fonarow, Teresa DeMarco, Daniel F. Pauly, Joseph Rogers, Thomas G. DiSalvo, Javed Butler, Joshua M. Hare, Gary S. Francis, Wendy Gattis Stough, Christopher M. O'Connor