Patent ID: 7590456

Claim:
A method of applying a defibrillation electrode to the chest of a patient, comprising: removing from a storage package a defibrillation electrode that comprises a metallic layer, a conductive liquid-containing layer in contact with the metallic layer and configured to contact the skin of the patient, an adhesive layer surrounding the conductive liquid-containing layer and having a layer of adhesive configured to adhere the electrode to the patient, a release layer configured to be removed from the electrode prior to application to the patient, the release layer being in contact with the adhesive and the conductive liquid-containing layer prior to removal, wherein the electrode has a lateral perimeter at or laterally outside of the adhesive layer, and wherein the lateral perimeter is generally triangular with three corners; and positioning the defibrillation electrode adjacent to the breast of the patient with none of the three corners riding up on the breast.