A variety of tab electrode designs to accommodate all resting ECG applications. Silver/silver chloride sensing system is defibrillation recoverable. Latex free, DEHP free and mercury free. 5400 features most popular level of adhesion suitable for most diagnostic applications, 5500 features a higher tack adhesive gel providing maximum adhesion. CA210 provides a foam, substrate design for long term and serial ECG's, CA310 offers rounded corners, CA510 provides a larger adhesive surface area, CA610 offers a distinctive shape with a broader tab for tab-clip contact.