Intrathoracic and Ventricular Impedances are Associated with Changes in Ventricular Volume in Patients Receiving Defibrillators for CRT. - MAINES, MASSIMILIANO; LANDOLINA, MAURIZIO; LUNATI, MAURIZIO; LONARDI, GABRIELE; PAPPONE, ALESSIA; PROCLEMER, ALESSANDRO; ZANOTTO, GABRIELE; SANTINI, MASSIMO; VARBARO, ANNAMARIA; VIMERCATI, MARCO; VALSECCHI, SERGIO (Pacing & Clinical Electrophysiology, 2010)