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12 Cards in this Set
- Front
- Back
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predictors of morbidity preop
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exercise tolerance
ASA class |
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age at which reserves are max
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35
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determinants of aging and longevity
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environment
metabolic capacity stress response genetics lifestyle choices |
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decline in fx due to aging
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1% per year after age 30
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age related changes
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inc in body fat
dec in blood volume loss of protective reflexes dec ability to maint body heat dec lean body mass dec skin elasticity collagen loss dec intracellular water |
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CV changes due to aging
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decreased diastolic fx.
leads to LVH and then CHF. widened pulse pressure |
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circulation time (inc/dec)
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inc. leads to extended time of drug circ
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myocardial fibers ?
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atrophy with age
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effects on BP
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hypertension
increased PVR |
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adrenergic receptors
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dec beta adrenergic responsiveness. endogenous beta blockade-dec in BP and HR
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creatinine clearance-men
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(140-age) x body wt/(72xserum creatinine)
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creatinine clearance-women
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.85 of value
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