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13 Cards in this Set
- Front
- Back
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crackles are normally heard when |
inspiratory |
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wheezes are normally heard when |
inspiratory and expiratory |
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what is stridor |
musical or crowing sound partial obstruction of larynx/trachea |
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pleural friction rub |
creaking, grating from inflamed surface of pleura rubbing together heard throughout insp & exp |
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CPAP |
continuous positive airway pressure expiration |
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Bi-pap |
Bi Positive Airway Pressure
bridge between O2 and vent |
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normal aging chgs |
less alveolar surface area=less gas xchg loss of elastic recoil less VC & O2 sat less cilia=more prone to infection |
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vital capcity |
max amt of air lungs can take in or hold |
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forced expiratory volume |
amt of air pt can forcefully exhale in only 1 second |
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FEV & VC values are normally expressed as what |
a percentage % |
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normal % FEV & VC |
70-80% |
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obstructive lung disease FEV and VC are |
VC-normal FEV-decreased
airways are narrowed- emphysema, bronchitis, infection, asthma |
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restrictive lung disease FEV and VC are |
VC-decreased FEV-normal
loss of lung tissue- pneumonia, lung CA, scleroderma, MS |
