Prevalence and inter-relationship of different Doppler measures of dyssynchrony in patients with heart failure and prolonged QRS: a report from CARE-HF
Magnus Edner, Yong Kim, Knud Norregaard Hansen, Henrik Nissen, Geert Espersen, Karl La Rosee, Fikru Maru, Nick Freemantle, John Cleland, and Peter Sogaard
Cardiovasc Ultrasound. 2009; 7: 1. Published online 2009 January 7. doi: 10.1186/1476-7120-7-1.PMCID: PMC2630933