HGD2 - CV Changes due to *Normal* Aging

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5 Terms

1
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Decline in max HR / VO2 max

smaller aerobic workload

2
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Stiffer, less compliant vasc tissues

high BP

slower ventricle filling time w/ reduced CO

3
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Loss of cells from sinoatrial node

slower HR / lower max HR

DEC excitability

4
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Reduced contractility of vasc walls

slower HR

lower max VO2

small aerobic workload possible

5
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Thickened basement membrane in capillary

reduced arteriovenous O2 uptake