Methods and devices of cardiac electrode placement involve locating electrodes on a thorax of a patient. Surface pacing levels are determined relative to a pacing limit. Surface electrode locations are selected or rejected based on the level being within a limit. Electrodes may be relocated to new locations,...http://www.google.com/patents/US7389138?utm_source=gb-gplus-sharePatent US7389138 - Electrode placement determination for subcutaneous cardiac monitoring and therapy