Abstract: An electronic device and method are disclosed herein. The electronic device includes a housing, electrodes disposed on a face of the housing, and a processor which implements the method. The method includes in response to an electrocardiogram request, detecting a first signal using a first electrode and a fourth electrode from among the plurality of electrodes, detecting a second signal using a second electrode and the fourth electrode, detecting a third signal using a third electrode and the fourth electrode, and storing in the memory the first signal and the second signal as a first biological signal, the second signal and the third signal as a second biological signal and the third signal and the first signal as a third biological signal in association with the requested electrocardiogram measurement.