What happens when systolic and diastolic are the same

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Understanding Wide Pulse Pressure

what happens when systolic and diastolic are the same

Systolic and diastolic pressures coming close to each other would will need to contract more often to circulate the same amount of blood.

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When your heart pumps blood into your arteries, it pushes the blood along under a head of pressure. Doctors measure your blood pressure as a way of quantifying the force being exerted by this moving blood against the walls of your arteries. Because the heart beats, the blood flow through the arteries is not steady as with a fire hose , but pulsatile, and the flow of blood, and the pressure it exerts, fluctuate from moment to moment. These two numbers reflect different aspects of the pressure being exerted by your blood as it pulses through your arteries. Both the systolic and diastolic pressures are important.

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I'm 72 and my systolic blood pressure has been between and and pretty steady. The diastolic number is low 55—65 and seems to be falling. Is the difference between these two numbers important, and is the falling diastolic number something to worry about? The systolic pressure represents the blood pressure against the vessel walls when the heart is pumping blood. Starting at about age 60, it becomes the most important predictor of cardiovascular problems like stroke and heart disease.

Pulse pressure is the difference between your systolic blood pressure , which is the top number of your blood pressure reading, and diastolic blood pressure, which is the bottom number. Doctors can use pulse pressure as an indicator of how well your heart is working. A high pulse pressure is sometimes called a wide pulse pressure. A low pulse pressure is a small difference between your systolic and diastolic pressure. In some cases, a low pulse pressure can also be a sign of a poorly functioning heart.

Pulse pressure is the difference between systolic and diastolic blood pressure. It is measured in millimeters of mercury mmHg. It represents the force that the heart generates each time it contracts. Pulse pressure is the higher systolic blood pressure minus the lower diastolic blood pressure. The systemic pulse pressure is approximately proportional to stroke volume , or the amount of blood ejected from the left ventricle during systole pump action and inversely proportional to the compliance similar to Elasticity of the aorta. The aorta has the highest compliance in the arterial system due in part to a relatively greater proportion of elastin fibers versus smooth muscle and collagen. This serves the important function of damping the pulsatile max pump pressure output of the left ventricle, thereby reducing the initial systolic pulse pressure but slightly raising the subsequent diastolic phase a period rather similar to Dwell time.

Diastole vs. Systole: A Guide to Blood Pressure

Know Your Blood Pressure Numbers

However, pulse pressure—the “gap” between systolic and diastolic pressure—is and essential hypertension can no longer be viewed as the same condition.
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5 thoughts on “What happens when systolic and diastolic are the same

  1. Higher systolic and diastolic pairs imply higher risk than lower pairs with the same pulse pressure: / millimeters of mercury (mm Hg) indicates a higher .

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