[Evaluating changes of Function class, electrocardiography and echocardiography before and after biventricular pacing]

ABSTRACT

Background: Based on the studies which have been done till now, resynchronization of ventricular contraction results in clinical improvement in patients who suffer from moderate to severe heart failure with intraventricular conduction disturbance. and using this method is increasing in our country. Study in this filed seems to be necessary