Left ventricular systolic dysfunction is associated with electromechanical dyssynchrony which may be in the form of atrioventricular, interventricular, intraventricular and intramural delay.  The impaired electromechanical coupling in turn diminishes the left ventricular systolic function.
Cardiac resynchronization therapy pathophysiology
Cardiac resynchronization therapy complications
Cardiac resynchronization therapy special populations
Cardiac resynchronization therapy contraindications
Ventricular remodeling pathophysiology
Cardiac resynchronization therapy recovery
Heart transplantation associated arrhythmias
Diastolic dysfunction epidemiology and demographics