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The upper reading is the systolic blood pressure while the lower reading is the diastolic blood pressure. Systole is the contraction of the heart while diastole is the relaxation of the heart.
normal blood pressure reading
160/90mmHg
The ideal numbers for a healthy blood pressure reading are less than 120. Anything above 120 is considered high blood pressure and one should immediately see a doctor.
The larger of the two numbers in a blood pressure reading is the "systolic" reading. The lower number is the "diastolic." The systolic reading measures how hard the heart pumps when it contracts; whereas the diastolic reads the pressure when the heart relaxes.
blood pressure and your heart would be healthy
Systolic (the higher number) is a reading of the pressure in your blood vessels when your heart is beating at its maximum strength. Diastolic (the lower number) tells you what the pressure is in your blood vessels when your heart is at rest.
A blood pressure reading of 137/78 is not considered high. When the top number is 140 or higher that is considered high blood pressure.
The first number in a blood pressure reading is the systolic blood pressure. It represents the pressure in the artery when the heart is contracting. The second number is the diastolic blood pressure, and represents the pressure when the heart is relaxing.
Diastole is the term meaning the period of ventricular relaxation with the lowest blood pressure. The diastolic number is the second or bottom number in the blood pressure reading, and it is always the lowest.
Use a blood pressure cuff (sphygonometer, or something). The reading will be something like 120/90 where the higher number is the pressure of the heartbeat (systolic) and the lower number is the pressure between beats (diastolic).
Normal will depend from person to person, but a healthy average is 120 over 80.