Lab 9 Exercise Physiology

# Lab 9 Exercise Physiology - If TPR and stroke volume are...

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The difference between the values is 15. The difference between the values is 30. If TPR and stroke volume are held constant, and increase in heart rate would have the greatest influence on systolic pressure. From a mathematical standpoint, I used the formula 2/3Diastolic+1/3 Systolic=HRxSVxTPR and used “1” for values for TPR and SV. The remaining formula would then be 2/3 Diastolic + 1/3 Systolic=HR. From there, I chose an easy number divisible by 3 (I used 9) to plug in for the possible diastolic and systolic values. Here is what happened: 2/3(9) + 1/3(X) = 30 X= 40.50 Increase the HR 2/3(9) + 1/3(X) = 40 X= 55.50 2/3(X) + 1/3(9) = 30 X= 72.00 Increase the HR 2/3(X) + 1/3(9) = 40 X= 102.00 With such results, one can tell that by increasing heart rate, the Diastolic Value increases by a bigger ratio than the Systolic value. This would make sense conceptually as well. The Diastolic pressure is the pressure that exists naturally in the closed system and the Systolic pressure is the pressure that is generated when

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Lab 9 Exercise Physiology - If TPR and stroke volume are...

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