Periodic electrical lead integrity testing system and method for implantable cardiac stimulating devices

摘要

An implantable cardiac stimulating device in which stimulation to cardiac tissue is delivered via stimulation leads (106,108). A periodic electrical lead integrity testing system is provided which periodically tests the leads used. Lead integrity is evaluated by periodically comparing the impedance of the leads to a reference impedance. A pass/fail algorithm is used to determine if electrical lead integrity has been compromised. <IMAGE>