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
|
Correct Answer � C
Explanation
|
|
Ans: C. Interstitial lung disease
* 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
|
Compliance is decreased |
| Upward & to left |
|
Compliance is increased |
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