The percentage of blood filling the left ventricle during each heartbeat that flows out of the ventricle into the body's circulatory system. A method of recording the electrical impulses given off by the heart as it beats. This may be done while resting or exercising. A method of showing the heart rhythm printed out on paper. The test shows how electrical impulses flow through the heart during a heartbeat.
Doctors can tell how well the heart is beating by looking at the printed pattern of the heartbeat.
The use of electrical currents to stop bleeding during surgery. Electrode Transmits or receives electrical impulses from one point to another. A picture of the electrical activity of the heart as sensed from within the heart. This is different from an ECG, which is a picture of your heart's electrical activity sensed from the surface of your skin. Electromagnetic field Invisible lines of force that are the result of the use of electricity, such as anything plugged into an outlet or operated by a battery.