Understand the numbers
Normal blood pressure is defined as a systolic pressure (the top number in a blood pressure reading that measures heart beats while pumping blood) below 120 mm/Hg and a diastolic pressure (the lower number that reflects the pressure in the arteries between heartbeats) below 80 mm/Hg.
“Know your numbers and what they mean so you can prevent heart attacks and strokes by taking action to lower your blood pressure if it is elevated,” says Dr. Rahimi. Anything above this may indicate a problem or the early stages of one.