NBME 20

nbme20/Block 2/Question#23

Which of the following changes in the ...

Increased basal systolic blood pressure

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submitted by ergogenic22(5),

aging results in increased arterial stiffness (change in Extra Ccellular Mmatrix composition - decreased elastin, increased collagen deposition); ISH is responsible for 60-80% of HTN cases in patients > 60. Also, decreased compliance as a result of aging causes increased pulse pressure