what does it mean when your bottom number is low on blood pressure?
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If you have a low diastolic pressure, it means you have a low coronary artery pressure, and that means your heart is going to lack blood and oxygen. That is what we call ischemia, and that kind of chronic, low-level ischemia may weaken the heart over time and potentially lead to heart failure.
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What It Means If You Have Low Blood Pressure But a High Heart Rate. Low blood pressure coupled with a high heart rate is normal when it happens momentarily — like when we stand up — but long-term it could signal a heart rhythm problem.
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Low blood pressure (known as hypotension) is categorized if your reading is 90/60 mm Hg or lower. Low blood pressure in pregnancy is normal and is caused by the rapid expansion of the circulatory system.
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90 over 60 (90/60) or less: You may have low blood pressure. More on low blood pressure. More than 90 over 60 (90/60) and less than 120 over 80 (120/80): Your blood pressure reading is ideal and healthy. Follow a healthy lifestyle to keep it at this level.
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Orthostatic hypotension means that the blood vessels don't adjust to a standing position and, instead, allow the blood pressure to drop, resulting in a feeling of light-headedness.
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Doctors generally define low blood pressure as 90/60 mm Hg or below, commonly said as “90 over 60” Usually, doctors only treat hypotension if it is severe enough to cause symptoms.
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An adult with a reading of 90/60 mmHg or lower can be regarded as having hypotension, or low blood pressure.
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Low blood pressure, or hypotension, is blood pressure that is below 90/60 mm Hg. Low diastolic blood pressure, or isolated diastolic blood pressure, is when the diastolic blood pressure falls below 60 mm Hg, while the systolic blood pressure remains at a normal level.
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There are different types and causes of low blood pressure. Severe hypotension can be caused by sudden loss of blood (shock), severe infection, heart attack, or severe allergic reaction (anaphylaxis). Orthostatic hypotension is caused by a sudden change in body position.
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A normal diastolic blood pressure is lower than 80. But even if your diastolic number is lower than 80, you can have elevated blood pressure if the systolic reading is 120-129. 80-89 is stage 1 hypertension. 90 or more is stage 2 hypertension.
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The top number refers to the amount of pressure in your arteries during the contraction of your heart muscle. This is called systolic pressure. The bottom number refers to your blood pressure when your heart muscle is between beats.
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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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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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ANSWER. 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.
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Low blood pressure in dogs Low blood pressure can be caused by an accident or injury that leads to a significant loss of blood, due to there being less blood in their system. Various health problems may also lead to low blood pressure, including heart, liver or kidney issues, anaemia or a low red blood cell count.
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Having a lower blood pressure is good in most cases (less than 120/80). But low blood pressure can sometimes make you feel tired or dizzy.
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Postural (orthostatic) hypotension is when your blood pressure drops when you go from lying down to sitting up, or from sitting to standing. When your blood pressure drops, less blood can go to your organs and muscles. This can make you more likely to fall, and falls can be dangerous.