Before you start reading an ECG (EKG) it’s important that you have some idea : about the basics of ECG/EKG.
- An ecg paper is made of multiple small boxes and this small boxes gather to form big boxes.
- Length of each small box is 1 mm
- Length of each big box is 5 mm
- Each small box is equal to 0.04 sec
- Each big box is equal to 0.04 x 5= 0.2 sec
- Finally, the speed of the ecg recording – 25mm / sec