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11 Cards in this Set
- Front
- Back
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Plueral pressure |
Negative pressure difference between visceral and parietal pleura that keeps lungs inflated |
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Plueral pressure value |
-5 – -7.5cmH2O |
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Aveolar pressure |
Subatmosphere pressure during inspiration Supra-atmospheric pressure expiration |
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Transpulmonary pressure |
Difference between aveolar and plueral |
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It peaks when? |
At the end of inspiration |
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What is compliance mathematically |
Change in volume divided by change in pressure |
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How is static volume pressure curve obtained |
Simultaneously measuring: -airway opening pressure 🙄 -lung volume -pleural pressure. As estimated by balloon in the lower 1/3 of the oesophagus 😷 |
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Lung compliance value |
0.2L/cmH20 |
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Diseases that cause decrease in lung compliance |
Fibrosis Adult respiratory distress syndrome Pulmonary edema |
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Diseases that cause increase |
Emphysema |
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Method of measuring RV, FRC and TLC |
Helium dilution method Plethysmography Radiographic planimetry |
