Term
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Definition
-Inttermittnet & reversible airflow obstruction (due to inflamation & airway hyperresponsiveness) affects only hte airways (not the alveoli)
-"Barrel chest", weezing on expiration, tachypnea, tachycardia
-ashtma PFT's (pulmonary function tests): 1.dec. in FEV1 or PERF 15-20% below expected value for age, gender & size 2. inc. of 12% of EFV1 or PERF after use of bronchodilators |
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Term
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Definition
-arterial O2 level may dec.
-arterial CO2 level may dec. early in attack & inc. later indicating poor gas exchange |
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Term
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Definition
-severe, life-threatening acute episode (doesn't respond to normat tx.)
-pneumothorax, cardiac or respritory arrest
tx. IVF, system bronchodilators, steroids, EPI, & O2, intubation |
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Term
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Definition
-loss of elasticity & hyperinflation (air traping)
-alveolar sacs distend, rupture, & destroy capillaries, lung tissue becomes fibrotic
-inspiration difficult (traping of air), expiration prolonged with airway collapse
-"pink puffer" & barrel chest |
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Term
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Definition
| destruction of the entire alveolus |
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Term
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Definition
| openings occuring in the bronchioles that allow spaces to develop as tissue walls break down |
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Term
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Definition
| confined to the alveolar ducts & alveolar sacs |
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Term
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Definition
Inflammtion of bronchi(chronic exposure to irritants), vasodilation, congestion, mucosal edema, bronchospasm
-affects only the airways, not alveoli
-neck vein distension,clubbing, cyanosis, prologed expiratory phase |
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Term
| COPD (chronic obstructive pulmonary disease) nursing diagnosis |
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Definition
1.impaired gas exchange
2.ineffective breathing pattern
3.ineffective airway clearance
4.inbalnaced nutrition
5.anxiety
6.activity intolerance |
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