Anonymous asked in Science & MathematicsMedicine · 1 decade ago

Explain blood pressure...?

15 Answers

  • 1 decade ago
    Favorite Answer

    What is Blood Pressure?

    Blood is carried from the heart to all parts of your body in vessels called arteries. Blood pressure is the force of the blood pushing against the walls of the arteries. Each time the heart beats (about 60-70 times a minute at rest), it pumps out blood into the arteries. Your blood pressure is at its highest when the heart beats, pumping the blood. This is called systolic pressure. When the heart is at rest, between beats, your blood pressure falls. This is the diastolic pressure.

    Blood pressure is always given as these two numbers, the systolic and diastolic pressures. Both are important. Usually they are written one above or before the other, such as 120/80 mmHg. The top number is the systolic and the bottom the diastolic. When the two measurements are written down, the systolic pressure is the first or top number, and the diastolic pressure is the second or bottom number (for example, 120/80). If your blood pressure is 120/80, you say that it is "120 over 80."

    Blood pressure changes during the day. It is lowest as you sleep and rises when you get up. It also can rise when you are excited, nervous, or active.

    Still, for most of your waking hours, your blood pressure stays pretty much the same when you are sitting or standing still. That level should be lower than 120/80. When the level stays high, 140/90 or higher, you have high blood pressure. With high blood pressure, the heart works harder, your arteries take a beating, and your chances of a stroke, heart attack, and kidney problems are greater.

    What causes it?

    In many people with high blood pressure, a single specific cause is not known. This is called essential or primary high blood pressure. Research is continuing to find causes.

    In some people, high blood pressure is the result of another medical problem or medication. When the cause is known, this is called secondary high blood pressure.

    What is high blood pressure?

    A blood pressure of 140/90 or higher is considered high blood pressure. Both numbers are important. If one or both numbers are usually high, you have high blood pressure. If you are being treated for high blood pressure, you still have high blood pressure even if you have repeated readings in the normal range.

    There are two levels of high blood pressure: Stage 1 and Stage 2 (see the chart below).

    Categories for Blood Pressure Levels in Adults*

    (In mmHg, millimeters of mercury) Category Systolic

    (Top number) Diastolic

    (Bottom number)

    Normal Less than 120 Less than 80

    Prehypertension 120-139 80-89

    High Blood Pressure Systolic Diastolic

    Stage 1 140-159 90-99

    Stage 2 160 or higher 100 or higher

    * For adults 18 and older who:

    Are not on medicine for high blood pressure

    Are not having a short-term serious illness

    Do not have other conditions such as diabetes and kidney disease

    Note: When systolic and diastolic blood pressures fall into different categories, the higher category should be used to classify blood pressure level. For example, 160/80 would be stage 2 high blood pressure.

    There is an exception to the above definition of high blood pressure. A blood pressure of 130/80 or higher is considered high blood pressure in persons with diabetes and chronic kidney disease.

    • MEDLIFE4 years agoReport


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  • 3 years ago

    Explain Blood Pressure

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  • 4 years ago

    Drop Blood Pressure Below 120/80

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  • 4 years ago


    Source(s): Two Weeks Diabetes Cure -
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  • 3 years ago


    Source(s): #1 Diabetes Cure System -
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  • Veena
    Lv 4
    4 years ago

    High blood pressure or hypertension means high pressure (tension) in the arteries. The arteries are the vessels that carry blood from the pumping heart to all of the tissues and organs of the body. High blood pressure does not mean excessive emotional tension, although emotional tension and stress can temporarily increase the blood pressure. Normal blood pressure is below 120/80; blood pressure between 120/80 and 139/89 is called “pre-hypertension”, and a blood pressure of 140/90 or above is considered high blood pressure. The systolic blood pressure, which is the top number, represents the pressure in the arteries as the heart contracts and pumps blood into the arteries. The diastolic pressure, which is the bottom number, represents the pressure in the arteries as the heart relaxes after the contraction. The diastolic pressure, therefore, reflects the minimum pressure to which the arteries are exposed. An elevation of the systolic and/or diastolic blood pressure increases the risk of developing heart (cardiac) disease, kidney (renal) disease, hardening of the arteries (atherosclerosis or arteriosclerosis), eye damage, and stroke (brain damage). These complications of hypertension are often referred to as end-organ damage because damage to these organs is the end result of chronic (long duration) high blood pressure. Accordingly, the diagnosis of high blood pressure in an individual is important so that efforts can be made to normalize the blood pressure and, thereby, prevent the complications. Since hypertension affects approximately 1 in 4 adults in the United States, it is clearly a major public health problem. Excellent website below. Hope this helps. Rick the Pharmacist

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  • Anonymous
    3 years ago


    Source(s): High Blood Pression Remedy
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  • Anonymous
    6 years ago

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  • 5 years ago

    is a chronic medical condition in which the blood pressure in the arteries is elevated. Blood pressure is summarised by two measurements, systolic and diastolic, which depend on whether the heart muscle is contracting (systole) or relaxed between beats (diastole). This equals the maximum and minimum pressure, respectively. There are different definitions of the normal range of blood pressure. Normal blood pressure at rest is within the range of 100–140 mmHg systolic (top reading) and 60–90 mmHg diastolic (bottom reading). High blood pressure is said to be present if it is often at or above 140/90 mmHg.

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  • Anonymous
    6 years ago

    You should read "The Blood Pressure Solution" (also available in electronic format here: ) It's a very comprehensive step-by-step book that walks you through the natural remedies of high blood pressure. It provides you with a lot of information on what foods to eat, how you can acquire and prepare these foods, how you can change your lifestyle for the better, how to eliminate the toxins from your body, how to reduce stress, how you can check your blood pressure level the correct way etc.

    The book is amazing in that it not only lowers your blood pressure without the help of medications; it also aids you in having a life that is healthy, happier, and less stressful. This book chanced my life.

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