what does the lower number on your blood pressure reading mean?
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The diastolic reading, or the bottom number, is the pressure in the arteries when the heart rests between beats. This is the time when the heart fills with blood and gets oxygen. A normal diastolic blood pressure is lower than 80. A reading of 90 or higher means you have high blood pressure.
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Optimal blood pressure is a reading of lower than 120/80. When your blood pressure numbers are consistently greater than 135/85, you're considered to have high blood pressure, or hypertension (but if you have diabetes or kidney disease, 130/80 is considered a high reading).
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105 over 73 mmHg readings would be considered the lowest your BP should measure. Your BP may be in the middle of the chart, which is 117 over 77 or it may be slightly higher at 120 over 81 mm Hg. If your BP is measuring lower than these lows, you might be feeling faint and passing out.
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The top number of your blood pressure reading tells you the force of the blood against artery walls when your heart beats. It is called systolic pressure. The bottom number tells you what your blood pressure is when your heart is at rest between heartbeats. It is called diastolic pressure.
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If your blood pressure is 120/80 millimeters of mercury (mm Hg) or lower, it's considered normal. Generally, if the blood pressure reading is under 90/60 mm Hg, it is abnormally low and is referred to as hypotension.
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What's a normal reading? For a normal reading, your blood pressure needs to show a top number (systolic pressure) that's between 90 and less than 120 and a bottom number (diastolic pressure) that's between 60 and less than 80.
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The lower reading, known as diastolic pressure, measures that force as the heart relaxes between contractions. Adult blood pressure is considered normal at 120/80.
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A healthy blood pressure reading should be lower than 120/80 mmHg. Normal blood pressure is less than 120 mmHg systolic and 80 mmHg diastolic (see blood pressure chart below), and may vary from 90/60mmHg to 120/80mmHg in a healthy young woman. A blood pressure of 140/90 mmHg or higher indicates high blood pressure.
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normal blood pressure is considered to be between 90/60mmHg and 120/80mmHg. high blood pressure is considered to be 140/90mmHg or higher. low blood pressure is considered to be 90/60mmHg or lower.
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Normal blood pressure is usually considered 120/80 mm Hg or less. It is not treated with medicines generally until after it gets to 140/90 mm Hg or more. This is because there is no conclusive evidence that the benefits outweigh the risks of treating with medicines to blood pressure lower than 140/90 mm Hg.
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As a general guide, low blood pressure is a reading of 90/60 or less. However, it is not necessary for both your systolic and diastolic readings to be in this range for it to be considered low blood pressure.
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Hypotension is the medical term for low blood pressure (less than 90/60). A blood pressure reading appears as two numbers. The first and higher of the two is a measure of systolic pressure, or the pressure in the arteries when the heart beats and fills them with blood.
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Low blood pressure is also known as hypotension. People with a reading of around 90/60, or less, are commonly regarded as having low blood pressure. Some people who have low blood pressure experience symptoms as a result of it. There may be an underlying cause that could need treatment.
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When your systolic pressure is between 120 and 129 mm Hg and your diastolic pressure is less than 80 mm Hg, it means you have elevated blood pressure. Although these numbers aren't technically considered high blood pressure, you've moved out of the normal range.
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What's considered low blood pressure for you may be normal for someone else. Most doctors consider blood pressure too low only if it causes symptoms. Some experts define low blood pressure as readings lower than 90 mm Hg systolic or 60 mm Hg diastolic. If either number is below that, your pressure is lower than normal.
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Blood pressure is recorded with 2 numbers. The systolic pressure (higher number) is the force at which your heart pumps blood around your body. The diastolic pressure (lower number) is the resistance to the blood flow in the blood vessels.
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Normal blood pressure is less than 120 over 80 (120/80). People whose blood pressure is above the normal range should ask their doctor how to lower it. SOURCES: American Heart Association.