“大家富，才是真的富”——记钦南区犀牛脚镇金鼓村致富能手陈灼辉

This case report describes a patient with heart failure in whom a biventricular pacing system was successfully implanted. During control of the pacing system, three morphologies of the paced QRS complex could be elucidated. Right ventricular stimulation, biventricular stimulation, and biventricular ... View More