noun. An instrument used in the detection and diagnosis of heart abnormalities that measures electrical potentials on the body surface and generates a record of the electrical currents associated with heart muscle activity.

noun. a device used in the diagnosis and detection of heart abnormalities that measures electric potentials on the surface of the body and creates a record (electrocardiogram) of the electrical currents associated with heart muscle activity

noun. medical instrument that records electric currents associated with contractions of the heart

"The HRS-I system monitors people's health by capturing data - such as electrocardiograph signals and body surface temperature - and then wirelessly transmitting that data to a mobile phone or a PC where a health professional or family member can access it remotely."

medical instrument  

12-channel  New Style  cartographic  current-limiting  dense-packed  

cardiograph