A wireless electrocardiogram (EKG) system having a plurality of wireless electrodes configured to wirelessly transmit EKG data to a display that is configured to display EKG data through a graphical EKG plot. Each wireless electrode includes a barcode thereon configured to allow a user to associate a set of wireless electrodes with a particular display. The display includes a barcode scanner, which is adapted to read and decode the barcode on each electrode to associate the electrode with the display. Each wireless electrode includes a housing configured to support an EKG sensor, a microprocessor adapted to process EKG signals from the EKG sensor for wireless transmission, and a wireless transmitter configured to transmit and encode EKG signals. The display includes a receiver configured to receive EKG data from the wireless transmitter and a microprocessor configured to generate the graphical EKG plot on the display.
