what is the relation between blood pressure and heart beat?
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Understanding the difference between blood pressure and pulse. While your blood pressure is the force of your blood moving through your blood vessels, your heart rate is the number of times your heart beats per minute. They are two separate measurements and indicators of health.
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Your blood pressure rises with each heartbeat and falls when your heart relaxes between beats. While it can change from minute to minute with changes in posture, exercise, stress or sleep, it should normally be less than 120/80 mm Hg for women age 20 or over.
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A rising heart rate does not cause your blood pressure to increase at the same rate. Even though your heart is beating more times a minute, healthy blood vessels dilate (get larger) to allow more blood to flow through more easily. When you exercise, your heart speeds up so more blood can reach your muscles.
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Effects of exercise on blood pressure 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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Measuring heart rate alone is not an indicator of high or low blood pressure, although it can measure your cardiovascular activity and oxygen consumption. People with hypertension (high blood pressure), must regularly monitor their blood pressure and work closely with their physician to determine treatment options.
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Blood Pressure (BP) a measure of the pressure exerted by the blood as it flows through the arteries, indicates cardiac output, measures: systolic pressure, diastolic pressure, and pulse pressure,, measured in millimeters of mercury (mmHg) and recorded as a fraction, average 120/80.
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The top number of your blood pressure reading tells you the force of the blood against artery walls when your heart beats. It is called systolic pressure. The bottom number tells you what your blood pressure is when your heart is at rest between heartbeats. It is called diastolic pressure.
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High blood pressure can cause your heart's tissues to remodel. For example, the tissue may become thicker in an attempt to beat harder. It's harder for this thickened tissue to conduct electrical impulses. As a result, your pulse might slow down because it takes longer to transmit electrical impulses.
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A normal blood pressure is less than 140/90mmHg (a desirable blood pressure is around 120/80mmHg). 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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The autonomic nervous system regulates blood pressure via several mechanisms. It regulates the degree of constriction or dilation of the blood vessels in body. ... This increased cardiac output results in an elevation in the blood pressure usually.
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The body quickly responds to the low blood volume and pressure by the following adjustments, which all increase blood pressure: The heart rate increases and the forcefulness of the heart's contractions increase, pumping more blood through the heart. Veins narrow to return more blood to the heart for pumping.
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Less blood travels to the heart muscle, so there isn't much for the heart to pump out. The nervous system automatically increases the heart rate to get the blood pumping. Meanwhile, the blood pressure drops a bit because the force of blood moving through the veins is lower.
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In some situations, such as periods of acute stress or danger, blood pressure and heart rate may both increase at the same time, but that's not always the case. Your heart rate can increase without any change occurring in your blood pressure.
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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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The bottom number tells you what your blood pressure is when your heart is at rest between heartbeats. It is called diastolic pressure.
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Blood pressure is the force that pumps blood around the circulatory system. When blood flow is restricted or blocked completely, the heart muscle is starved of oxygen. This leads to a heart attack. During a heart attack, blood pressure can go up, down, or remain constant, depending on how the body responds.
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When your heart beats, it pushes blood through your arteries. As the blood flows, it puts pressure on your artery walls. This is called blood pressure. High blood pressure (also called hypertension) happens when your blood moves through your arteries at a higher pressure than normal.