An exemplary method includes implementing a cardiac pacing therapy capable of delivering bi-ventricular stimulation, deciding if the therapy calls for bi-ventricular stimulation and, if the therapy calls for bi-ventricular stimulation, comparing an interventricular conduction delay to a threshold and...http://www.google.fr/patents/US7881787?utm_source=gb-gplus-shareBrevet US7881787 - Capture detection system and method CRT therapy