Home > Consumer > Hydrogen > Basics > Utilization > Internal Combustion Engines. Hydrogen has a high specific energy, high flame speed, wide range of flammability, and clean burning characteristics which suggest a possibility of high performance in internal combustion engines (ICE). These attributes have been realized for more than half a century since the onset of hydrogen engine development.
Electrocardiography (ECG or EKG*) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on the skin.
Noun. 1. EKG-a graphical recording of the cardiac cycle produced by an electrocardiograph. cardiogram, ECG, electrocardiogram. checkup, health check, medical, medical checkup, medical exam, medical examination-a thorough physical examination; includes a variety of tests depending on the age and sex and health of the person.