An electrocardiogram (EKG or ECG) is a test that checks for problems with the electrical activity of your heart. An EKG shows the heart's electrical activity as line tracings on paper. The spikes and dips in the tracings are called waves. The heart is a muscular pump made up of four chambers .
In the official rules for Major League Baseball, it is stated that the outfield fence should be at least 250 feet from home plate. A distance of 325 feet or more along the foul lines and 400 feet or more to center field has since become mandatory for any new stadiums.
The field measures 360 ft (120 yards) with a width of 160 ft (53 1/3 yards). The end zone also has a depth of 10 ft. The end line has a total length of 6 ft. It is designated the end zone termination point in the dimensions of a football field in high school play.