Patent ID: 8588904

Claim:
A system for pacing a heart, the system comprising: an implantable pulse generator configured to generate electrical pacing impulses for stimulating contraction of cardiac tissue; first, second, third, and fourth pacing leads in electrical communication with the pulse generator, each of the first, second, third, and fourth pacing leads configured to deliver the pacing impulses to activation sites within the cardiac tissue and to detect electrical cardiac activity at the activation sites; and a controller configured to control the delivery of the pacing impulses from each of the first, second, third, and fourth pacing leads, wherein the first pacing lead is configured to attach to an activation site located on the right atrium, the second pacing lead is configured to attach to an activation site located on the right ventricle, the third pacing lead is configured to attach to a posterior activation site on the left ventricle, and the fourth pacing lead is configured to attach to an anteriolateral activation site on the left ventricle.