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Increase stroke if we no dot do exercises & healthy food vegetables

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Does stroke volume increase if end diastolic volume decrease?

false, stroke volume decreases if the end volume decreases.


Would an increase in contractility cause an increase to cardiac output?

Yes - an increase in contractility would lead to an increase in stroke volume. An increased stroke volume would cause an increased cardiac output.


What increases stroke volume?

increase venous return


Is stroke volume inversely proportional to the after load?

Yes, stroke volume is inversely proportional to afterload. An increase in afterload, such as from increased vascular resistance, can lead to a decrease in stroke volume due to the additional pressure the heart has to work against to eject blood. Conversely, decreasing afterload can help increase stroke volume.


How can stroke volume can be altered?

Stroke volume is determined by three factors, altering any of them can change the stroke volume. These factors are preload, afterload, and contractility. The relationship is: SV = P*C/A What this means is that preload and contractility are directly proportional to the stroke volume and afterload is inversely proportional to stroke volume. If you increase preload (within certain limits), stroke volume will increase according to the Starling curve. Increasing contractility (many things can increase this), makes the heart pump harder and increases stroke volume. Increasing afterload decreases stroke volume. All of these can be reversed (decreasing preload and contractility = decreased stroke volume, etc). Get a good physiology book and it will explain all of this very well.


Does a slower heart rate increase end diastolic volume stroke volume and force a contraction?

yes


Why does stroke volume increase from childhood to adulthood?

Because adults have a greater volume of blood than children do.


What happens if stroke volume increases?

If stroke volume increases, more blood is pumped out of the heart with each contraction. This results in an increase in cardiac output, which is the amount of blood pumped by the heart in one minute. An increase in stroke volume can also lead to a drop in heart rate to maintain overall cardiac output.


What happens to the pump rate when you increase the stroke volume?

When you increase the stroke volume, the pump rate can decrease. This is known as the Frank-Starling mechanism, where the heart adjusts its rate based on the volume of blood returning to it. The increased stroke volume leads to more efficient pumping, allowing the heart to beat at a slightly slower rate to maintain cardiac output.


Does increasing arterial blood pressure increases blood flow?

YES! Changes in blood volume affect arterial pressure by changing cardiac output. An increase in blood volume increases central venous pressure. This increases right atrial pressure, right ventricular end - diastolic pressure and volume. This increase in ventricular preload increases ventricular stroke volume by the Frank - Starling mechanism. An increase in right ventricular stroke volume increases pulmonary venous blood flow to the left ventricular, thereby increasing left ventricular preload and stroke volume. An increase in stroke volume then increases cardiac output and arterial blood pressure. answered by HappyNess0423


How does an increase in the sympathetic nervous system affect stroke volume?

An increase in the sympathetic nervous system can lead to an increase in stroke volume. This is because the sympathetic nervous system stimulates the heart to beat faster and with more force, resulting in more blood being pumped out with each heartbeat.


Would stroke volume increase or decrease if your unhealthy?

Stroke volume can decrease if you are unhealthy. Health conditions such as heart failure, heart disease, or dehydration can negatively affect the heart's ability to pump blood effectively, leading to a decrease in stroke volume.