An ECG the heart's electrical activity as line tracings on paper. The traces are recorded over the red grid graphs for analysing.It presents exceptionally superb quality Electrocardiogram display recording chart papers. Since ECG/EKG is related to monitoring the heart activities these are very important in medical cardiology. ECG sheets contain high accurate red grids. The paper is made-up of premium quality raw materials which will not spoil any printer machine. The traces are long lasting on our thermal printing paper.