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.
Abnormal Electrocardiogram (Definition). Abnormal electrocardiogram (EKG or ECG) is a test result in which the EKG recording of the heart's electrical activity shows problems such as rhythm problems, extra beats, skipped beats, fluid around the heart, damaged heart muscle, etc ...Read more.