CRT should be recommended for all heart failure patients with mechanical dyssynchrony and a ventricular conduction delay regardless of the QRS morphology
Use and associations with mortality/morbidity of guideline-directed medical therapy use in heart failure with improved ejection fraction: a PS-matched analysis from the swedish heart failure registry
Survival benefit of guideline-directed medical therapy in elderly patients with heart failure with reduced ejection fraction: a systematic review and meta-analysis