Symptoms of brain tumours affecting the Frontal Lobe. The frontal lobes determine personality and contain the area called the motor cortex that controls movement of the muscles of the body (the motor cortex on the right half of the brain controls the left side of the body and vice versa).
Electrocardiogram Definition. A recording of the electrical activity of the heart. Abbreviated ECG and EKG. An ECG is a simple, noninvasive procedure. Electrodes are placed on the skin of the chest and connected in a specific order to a machine that, when turned on, measures electrical activity all over the heart.
During an EKG: 1  You will lie on a bed or table. Certain areas of your arms, legs, and chest will be cleaned and may be shaved. 2  A number of electrodes are connected to the skin camera.gif on each arm and leg and on your chest. 3  These are connected to a machine that traces your heart activity onto a paper.