An ECG monitor device comprising: an ECG monitor element including: a processor ; a memory element operatively connected to the at least one processor, the memory element including executable instructions to process ECG data to provide an ECG waveform; a power source; an analog interface operatively connected to the at least one processor and a communication element operatively connected to the processor and the memory element and configured to send and receive data; and an electrode pad connected to the ECG monitor element including a first group of electrodes positioned on a first portion of the electrode pad and directly connected to the analog interface; a second group of electrodes positioned on a second portion of the electrode pad, where the second portion of the electrode pad is elastic and extends in a continuous strip from one side of the electrode pad; a multiplexer mounted on the electrode pad and connected to the analog interface, wherein the second group of electrodes is connected to the multiplexor and the multiplexor is operable to selectively provide data from each electrode of the second group of electrodes to the ECG monitor element; wherein the processor processes data from the first group of electrodes and the second group of electrodes to provide electrocardiogram information sufficient to selectively provide an ECG waveform consistent with a single lead electrode and a multiple lead ECG. an ECG monitor element including: a processor ; a memory element operatively connected to the at least one processor, the memory element including executable instructions to process ECG data to provide an ECG waveform; a power source; an analog interface operatively connected to the at least one processor and a communication element operatively connected to the processor and the memory element and configured to send and receive data; and a processor ; a memory element operatively connected to the at least one processor, the memory element including executable instructions to process ECG data to provide an ECG waveform; a power source; an analog interface operatively connected to the at least one processor and a communication element operatively connected to the processor and the memory element and configured to send and receive data; and an electrode pad connected to the ECG monitor element including a first group of electrodes positioned on a first portion of the electrode pad and directly connected to the analog interface; a second group of electrodes positioned on a second portion of the electrode pad, where the second portion of the electrode pad is elastic and extends in a continuous strip from one side of the electrode pad; a multiplexer mounted on the electrode pad and connected to the analog interface, wherein the second group of electrodes is connected to the multiplexor and the multiplexor is operable to selectively provide data from each electrode of the second group of electrodes to the ECG monitor element; a first group of electrodes positioned on a first portion of the electrode pad and directly connected to the analog interface; a second group of electrodes positioned on a second portion of the electrode pad, where the second portion of the electrode pad is elastic and extends in a continuous strip from one side of the electrode pad; a multiplexer mounted on the electrode pad and connected to the analog interface, wherein the second group of electrodes is connected to the multiplexor and the multiplexor is operable to selectively provide data from each electrode of the second group of electrodes to the ECG monitor element; <EOS>