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Physiology

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Cardiovascular System

Question
1 out of 10
 

Which of these is correct regarding mean blood pressure? Which of these is correct regarding mean blood pressure? (AIIMS NOV.2011, MAY 2006)



A DBP+2SBP/3
B SBP+2DBP/3

C DBP+3SBP/2
D SBP+3DBP/2

Ans. B SBP+2DBP/3

MBP is defined as the average circulatory pressure during cardiac cycle, since diastole is longer it depends primarily on the DBP.

MBP

= DBP + 1/3 PP

Now if we replace PP

= (SBP-DBP)

We get

MBP

= DBP + 1/3 SBP-DBP)

= (3DBP + SBP – DBP)/ 3

= (2DBP+SBP)/3

Cardiovascular System Flashcard List

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