Abstract: An apparatus for monitoring an electrical signal from a patient's body includes a disposable electrode patch having a thin flexible housing with an adhesive exterior, a power source, a printed circuit board, a plurality of electrodes, a converter for converting a detected electrical signal from the patient's body to a digital signal, a processor for processing the digital signal, and a transmitter connected for transmitting the processed digital signal as a wireless signal. A monitoring unit communicating with the electrode patch includes a power source, a transceiver, a global positioning receiver, a processor, at least one communication port for external communications, and a display. A system of the invention includes a plurality of patients having medical monitors wirelessly communicating biometric information to a central processor for archiving and accessing.