what happens when your blood pressure is low?
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Even moderate forms of low blood pressure can cause dizziness, weakness, fainting and a risk of injury from falls. And severely low blood pressure can deprive your body of enough oxygen to carry out its functions, leading to damage to your heart and brain.
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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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Chronically low blood pressure is worrisome when it is accompanied by symptoms such as dizziness or fainting. This can be a sign of an underactive or overactive thyroid gland, poorly functioning adrenal glands, anemia, mild dehydration, a low heart rate, and other conditions.
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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.
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Increases. Low blood pressure alone isn't an indication of a heart attack, since not everyone will experience a decrease in blood pressure during a heart attack. In some people, a heart attack may not cause any significant changes in blood pressure at all.
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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 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.
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Low blood pressure is a reading of less than 90/60mmHg. It does not always cause symptoms, but you may need treatment if it does.
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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. A sudden fall in blood pressure can be dangerous.
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If that happens, your blood pressure may drop dramatically when you stand up—a condition known as orthostatic hypotension (hypotension means low blood pressure). The result: not enough blood reaches your brain, which can lead to dizziness, lightheadedness, and blurred vision.
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Anything disturbing it can make you feel dizzy, whether it is from a cold, an injury, or many other things. Anything that causes your blood pressure to drop suddenly can make you feel lightheaded, or like you are going to faint. This is because at that moment there might not be enough blood flowing to your brain.
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Many people with low blood pressure don't have any symptoms. Symptoms to watch for include: Feeling dizzy, lightheaded, or faint. Feeling sick to your stomach or vomiting.
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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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Signs of high or low blood pressure like very bad headache or dizziness, passing out, or change in eyesight. Trouble breathing, slow breathing, or shallow breathing. Slow heartbeat. Trouble controlling body movements, twitching, change in balance, trouble swallowing or speaking.
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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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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.
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In patients with symptomatic low blood pressure, there often is a marked drop in blood pressure upon standing, and patients may even develop orthostatic symptoms. The heart rate often increases.