Definition of "electrocardiograph" [electrocardiograph]

• 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. Also called cardiograph. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "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."
• "Antonio Toumbas, who lives with and takes care of their 80-year-old, ailing mother, is going to school to become certified as an electrocardiograph technician, Paul Toumbas said."
• "Next, they built a body-heat powered electrocardiograph device (EKG) that monitored heart activity."