Handheld ECG Readmyheart (rmh) is a light weight handheld electrocardiogarm (ecg) recording device that traces the electrical activity of the heart. Ecg signals are obtained via rmh's spcially designed dry conduction electrodes eliminating complicated wires and conducting gel. Press the start button twice and gently place your thumbs on the electrodes. The device will automatically start the recording of ecg signals.