Question
The given graph likely depicts which of the following disease?
A. Bronchial asthma
B. Emphysema
C. Interstitial lung disease
D. Normal study
Show Answer
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Correct Answer » C
Explanation
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Ans: C. Interstitial lung disease
(Ref Ganong 24/e p631)
- Pressure-volume loop – Compliance curve.
- Shows decreased slope – Implying decreased compliance (AV/AP).
- Typically seen in restrictive lung diseases & interstitial lung disease.
- Emphysema – Obstructive lung conditions & increases compliance.
| Static Expiratory Pressure-Volume Curves of Lungs |
| Shift |
Shift |
Compliance |
| Downward & to right |
- Pulmonary edema°
- Interstitial pulmonary fibrosis
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Compliance is decreased° |
| Upward & to left |
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Compliance is
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