2 Minute Medicine | QRS morphology and duration associated with cardiac resynchronization ... 2 Minute Medicine Heart failure patients with left bundle branch block (LBBB) and QRS durations of 150 ms or greater had better outcomes after cardiac resynchronization defibrillator placement. Patients with both LBBB and QRS > 150ms had 3-year mortality of 20.9%, while ... Real-World Use Confirms Bigger CRT Benefits for Some Patients |
