EKG Paper

EKG Paper

The EKG paper is made of a grid of big boxes and small boxes. The EKG paper is made of a grid of big boxes and small boxes. Each big box is 10 mm in length has five small boxes and is 0.20 sec. Each small box is 1 mm and represents 0.04 sec. The EKG paper moves at a standard speed of 25 mm/sec. At standard speed, the heart rate can be determined by either of the following methods.