Use this blood pressure chart to interpret your blood pressure readings and monitor this important heart health metric from home.

Blood pressure is measured in two numbers: systolic and diastolic. The top number is the systolic blood pressure, which measures the pressure caused by the heart contracting and squeezing out blood.

If a picture is worth a thousand words, how much is a graph worth? For doctors trying to determine whether a patient's blood pressure is within normal range, the answer may depend on the type of graph ...