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www.reference.com/article/top-bottom-numbers-mean-blood-pressure-reading-9a9f6112daa4d198

The top number of a blood pressure reading is referred to as systolic, and it measures the pressure in the arteries when the heart beats, notes the American Heart Association. The bottom number is referred to as diastolic, and it measures the pressure in the arteries between heart beats.

www.reference.com/article/high-blood-pressure-numbers-54d37aed299736c1

A person has high blood pressure when the systolic pressure reading is 140 or above and the diastolic pressure is 90 or above, according to WebMD. Both numbers need not be over the limit, as one or the other indicates high blood pressure.

www.reference.com/article/good-blood-pressure-numbers-70a2f3a6d178a9cf

In adults, a normal blood pressure reading is less than 120/80 millimeters of mercury, states the American Heart Association. This measurement records systolic blood pressure, the force of blood on the arteries when the heart pumps blood, and diastolic blood pressure, the force of blood when the hea

www.reference.com/article/symptoms-high-blood-pressure-numbers-6c5a6a2d108a782

High blood pressure in an individual is generally asymptomatic, states the American Heart Association. Some individuals experience dizziness, blood spots in the eyes, and facial flushing, or red, hot skin of the face. Symptoms of hypertensive crisis, or a blood pressure of 180/110 or higher, include

www.reference.com/article/can-lower-blood-pressure-number-fc086e2deec42de5

Restricting consumption of alcohol and sodium, choosing healthy foods, exercising regularly and managing weight are all ways to lower blood pressure. Making these lifestyle changes can help people reduce blood pressure without having to take prescription medications, as stated by Mayo Clinic.

www.reference.com/article/read-blood-pressure-numbers-4cb2f4b16d717fc9

When reading blood pressure numbers, the top number, known as the diastolic number, measures the pressure in millimeters of mercury inside the arteries when the heart muscle contracts, and the bottom, or diastolic, number measures the pressure within the arteries between heartbeats, according to the

www.reference.com/article/normal-blood-pressure-number-fcc99dd5b29fbd69

In adults 20 years of age and older, normal blood pressure numbers are below 120 mm Hg (systolic) and below 80 mm Hg (diastolic), according to the American Heart Association. Blood pressure is typically expressed as a ratio with the upper number on top.

www.reference.com/article/perfect-blood-pressure-45ba5065138c26d4

There are guidelines for an optimal blood pressure, but no "perfect" blood pressure, according to Cleveland Clinic. Generally, optimal blood pressure is less than120 mmHg systolic over less than 80 mmHg diastolic, but these numbers may vary from individual to individual depending on factors such as

www.reference.com/article/causes-blood-pressure-60213c71456184b4

Blood pressure is caused by the force of the blood as it pushes against artery walls, according to WebMD. This pressure is measured during the active and resting phases of every heartbeat.

www.reference.com/article/causes-high-blood-pressure-8fcc098e7658cad4

According to Mayo Clinic, primary hypertension, or high blood pressure, has no identifiable causes and develops over time. Medical conditions such as chronic kidney disease, thyroid disease, sleep apnea, congenital blood defects and adrenal gland tumors are causes of secondary high blood pressure. O