2 Minute Medicine | Who fares best on CRT? Medicare data support ECG predictors TheHeart.Org In the cohort of patients who received defibrillating CRT devices (CRT-Ds), those who had both left-bundle-branch block (LBBB) and a QRS duration >150 ms showed significantly lower three-year mortality and one-year all-cause and heart-failure ... QRS morphology and duration associated with cardiac resynchronization ... Real-World Use Confirms Bigger CRT Benefits for Some |
