what does it mean when your blood pressure drops during exercise?
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In general, your blood pressure should return to normal within several hours of a workout. Even then, you might notice that your blood pressure doesn't return to exactly what it was before exercise. That's because it's normal for blood pressure to drop slightly within a few hours of exercise.
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Often people need to tense their abdominal muscles and strain a bit during a bowel movement. This tends to stimulate the vagus nerve, which slows the heart rate. At the same time, blood flow back to the heart decreases, so blood pressure drops.
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Low blood pressure is a measurement of 90/60mmHg or lower. When your blood pressure drops, your heart rate increases and the blood vessels in other parts of the body constrict (narrow) to help maintain blood pressure.
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In orthostatic hypotension, the blood pressure drops when the body is in an upright standing position, as compared to a reclining position. Sometimes the sudden dip causes a brief dizzy spell or head rush. In severe cases it may cause a person to faint.
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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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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.
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If your blood pressure is at a desirable level — less than 120/80 mm Hg — exercise can help prevent it from rising as you age. Regular exercise also helps you maintain a healthy weight — another important way to control blood pressure.
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This drop occurs because there is an increased ratio of surface area to volume, which means that the blood is in contact with more blood vessel surface area. This slows down the velocity of the blood within arterioles and thus drops the pressure.
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It's safe to exercise if you're at risk for high blood pressure (previously called prehypertension) or with high blood pressure (hypertension). In fact, regular exercise can help you keep your blood pressure in check. If you're at risk for or have hypertension, speak to your doctor about the safest way to exercise.
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Effects of exercise on blood pressure Your muscles need more oxygen than they do when you're at rest, so you have to breathe more quickly. Your heart starts to pump harder and faster to circulate blood to deliver oxygen to your muscles. As a result, systolic blood pressure rises.
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The slight decrease in diastolic blood pressure is due primarily to the vasodilation of the arteries from the exercise bout. Thus, the expansion in artery size may lower blood pressure during the diastolic phase.
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A sudden drop in blood pressure — as little as a drop from 120 to 100 in your systolic (top) number — can be dangerous if it triggers dizziness and fainting. Such symptoms can be a sign of an underlying problem that may need medical attention.
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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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Blood pressure is the force of your blood as it's pushed from your heart and circulated throughout your body. During a heart attack, the blood flow to a portion of your heart is blocked. Sometimes, this can lead to your blood pressure decreasing. In some people, there may be little change to your blood pressure at all.
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Vasovagal syncope happens when the part of your nervous system that controls your heart rate and blood pressure overreacts to an emotional trigger. Your heart rate slows, and your blood vessels widen. In turn, that causes your blood pressure to drop.
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It is true that physical activity (exercise) will cause your blood pressure to rise for a short time. However, when you stop the activity, your blood pressure should soon return to normal. The quicker it does this, the fitter you are likely to be.
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Exercise increases systolic blood pressure. Systolic blood pressure is a measure of blood vessel pressure when your heart beats. Diastolic blood pressure is a measure of the pressure in the blood vessels between heartbeats. It shouldn't change significantly during exercise.