Aging - pulmonary
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Created by:
mark_suguitan on December 14, 2011
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7 terms
Terms | Definitions |
|---|---|
 Pulmonary Mechanics | -decline in respiratory muscle strength -stiffening of chest wall -loss of lung elastic recoil |
| Lung volumes | TLC constant increase in RV increase closing volume |
| Lung Flow rates | decrease in FVC decrease in FEV1 greatest FEF 25-75% |
| Gas exchange | increase ventilation / perfusion mismatch diminished alveolar diffusion capacity reduction in PaO2 of approx 3-4 mmHg/decade |
| Pulmonary defense mechanisms | decreased clearance altered humoral immunity altered celular immunity |
| Interaction of aging and disease | Increased vulnerability to disease altered presentation -> nonspecific presentation of disease which may delay diagnosis aging changes may mimic disease |
| Prevention of disease | Vaccination --pneumococcal --influenza Counseling --exercise --smoking cessation |
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