what does it mean when blood pressure to low?
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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. A sudden fall in blood pressure can be dangerous.
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Low blood pressure results in inadequate blood flow -- and therefore inadequate delivery of oxygen and nutrients -- to the heart, brain, kidneys, and other organs. This can be damaging and cause permanent harm.
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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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It's a reaction to the infection in your blood, and it can cause your blood pressure to drop to a dangerous level. When your blood pressure is too low, your heart may not be able to pump enough blood to your organs, and they can stop working. Get medical help right away if you notice symptoms like: Fever.
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For some people, low blood pressure signals an underlying problem, especially when it drops suddenly or is accompanied by signs and symptoms such as: Dizziness or lightheadedness. Fainting. Blurred or fading vision.
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Low blood pressure that causes an inadequate flow of blood to the body's organs can cause strokes, heart attacks, and kidney failure. The most severe form is shock. Common causes of low blood pressure include a reduced volume of blood, heart disease, and medications.
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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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If your blood pressure gets severely low, there's a significant danger that your body will not receive enough oxygen to carry out its normal functions. Decreased oxygen can result in impaired functioning of the heart and brain and cause difficulty with breathing.
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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.
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But if your blood pressure drops suddenly or causes symptoms like dizziness or fainting, it is too low. It can cause shock. Shock can be dangerous if it is not treated right away. Blood pressure is a measure of how hard the blood pushes against the walls of your arteries as it moves through your body.
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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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Low blood pressure, or hypotension, is blood pressure that has dropped below healthy levels. It can be caused by dehydration, certain medical conditions and medications, and surgery. It can cause dizziness, blurred vision, headache, and fainting.
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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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Low blood pressure may be a sign of multiple conditions, including dehydration, severe infection with septic shock, endocrine (hormonal) conditions, some heart diseases, and taking certain medications. Psychological stress is not a known cause of abnormally low blood pressure.
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Because the volume of fluid in your bloodstream is less your body can't adjust to position changes as well so your blood pressure drops. This is called orthostatic hypotension and this drop in blood pressure can then trigger the changes that can cause you to faint.
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Underlying causes of low blood pressure Decreases in blood volume: A decrease in blood volume can also cause blood pressure to drop. A significant loss of blood from major trauma, dehydration or severe internal bleeding reduces blood volume, leading to a severe drop in blood pressure.
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The medical term for low blood pressure is hypotension. If you have hypotension, your systolic pressure measurement is under 90 mm Hg and your diastolic number is under 60 mm Hg.