what does it mean when your blood pressure gets too 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, medically known as hypotension, is when your blood pressure is below 90/60mmHg. This does not necessarily mean that there is a problem. In fact, people with low blood pressure tend to live longer than those with high, or even normal, blood pressure.
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Normal blood pressure is defined when the top number (systolic) is less than 120 mm Hg and the bottom number is under 80 mm Hg. Anything less than 90 over 60 is considered low, but low doesn't always mean unhealthy or dangerous. Sometimes there are reasons for low blood pressure.
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"In a healthy person, low blood pressure is a sign of good health as long as the systolic pressure is above 80," explains Dr. Pacold. "Very low blood pressure in a person with heart disease could be a sign of heart failure."
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In severe cases, low blood pressure can be life-threatening. A blood pressure reading lower than 90 millimeters of mercury (mm Hg) for the top number (systolic) or 60 mm Hg for the bottom number (diastolic) is generally considered low blood pressure.
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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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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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Generally, if the blood pressure reading is under 90/60 mm Hg, it is abnormally low and is referred to as hypotension. Some adults regularly have blood pressure in the hypotensive range but have no symptoms and do not require treatment.
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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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Causes of hypotension If the measurement drops 30mmHg below the person's usual blood pressure, this is considered to be hypotension. Low blood pressure has many different causes including: Emotional stress, fear, insecurity or pain (the most common causes of fainting) Dehydration, which reduces blood volume.
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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.
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Postural hypotension, also called orthostatic hypotension, is where a person's blood pressure drops when they suddenly stand up from lying or sitting. This drop in blood pressure can lead to dizziness or fainting because blood flow to the brain is reduced, and people can fall and injure themselves as a result.
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Orthostatic hypotension — also called postural hypotension — is a form of low blood pressure that happens when you stand up from sitting or lying down. Orthostatic hypotension can make you feel dizzy or lightheaded, and maybe even cause you to faint.
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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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Generally, low blood pressure during pregnancy isn't a cause for concern unless you experience symptoms. Big drops may be the sign of a serious, or even life-threatening, problem. Extremely low blood pressure can lead to falls, organ damage, or shock.
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If your blood pressure is lower than 90/60, you have low blood pressure, or hypotension. You may feel lightheaded, weak, dizzy, or even faint. Low blood pressure can be caused by not drinking enough liquids (dehydration), blood loss, some medical conditions, or too much medication.
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Hypotension is blood pressure that is too low. This can happen in acute disease (where the illness comes on suddenly) or as a side-effect of some medicines. Some children with hypotension may have no symptoms, but some may experience: dizziness or light-headedness.