Medscape2y
The Benefits of Biventricular Pacing in Heart Failure Patients With Narrow QRS, NYHA Class II and Right Ventricular Pacing
However, in the subgroup with a narrow QRS duration, there were no significant changes in the indices of left ventricular remodeling or in the NYHA functional class and there was a significant ...
Nature3y
Cardiac resynchronization therapy: no benefit in heart failure with narrow QRS intervals
Current guidelines support the use of cardiac resynchronization therapy (CRT) in patients with heart failure and a prolonged QRS interval (≥120 ms); however, tissue Doppler imaging has shown ...