Patent ID: 7200437

Claim:
An implantable cardiac system comprising: a master pacing unit operative to generate pacing pulses to be delivered to a portion of a patient's heart; at least one lead connected to the master pacing unit and configured for placement in electrical communication with a heart chamber; and a satellite pacing unit remote from the master pacing unit and operative to apply pacing pulses to a different portion of the patient's heart, said satellite pacing unit comprising: a housing having a base portion; an elongated member extending outwardly from said base portion for insertion into the patient's heart tissue, wherein the elongated member comprises an electrode for carrying electrical current from the pacing unit to the patient's heart; and a gel-like material affixed to said base portion for placement into contact with the patient's heart tissue, wherein said gel-like material is composed of an electrically conductive material to provide a complete electrical path for current generated from said elongated member.