Biopotential telemetry measures the electrical potential between two electrodes/leads. The telemetry biopotential transmitters are used to measure long-term electrocardiogram (ECG), electroencephalogram (EEG), and electromyogram (EMG). Electrocardiogram (ECG), electroencephalogram (EEG), and electromyogram (EMG) are used to measure the electrical activity in the heart, skeletal muscle, and brain, respectively.Â