Fig. 2From: Global Bi-ventricular endocardial distribution of activation rate during long duration ventricular fibrillation in normal and heart failure caninesEvolution of the AR during VF. In the control group, there was only an AR gradient between the ventricles within the first 20 s. In contrast, in the HF group, there was a detectable bi-ventricular AR gradient for the entire VF duration. From 90 s to the end of analysis at 3 min of VF, neither the RV or LV in the HF hearts activated differently than those of the control animals. (LV-N: left ventricle in the normal group; LV-H: left ventricle in the HF group; RV-N: right ventricle in the normal group; RV-H: right ventricle in the HF group.) See the text of the article for additional detailsBack to article page