The ECG monitor used in hospitals displays several main aspects. The right side shows the values and the left side shows the graph. The first column is the oxygen saturation concentration, the value displayed is what percent, the blood sample saturation concentration in adults should generally be above 95% and should not be below 85%. The second column shows the heart rate, and the normal heart rate range is between 60 and 100 beats. The third column shows the blood pressure. The normal blood pressure for adults should be between 120 and 130 mm Hg for high pressure and between 80 and 90 mm Hg for low pressure.