There are three types of pulmonary fibrosis
1.Replacement fibrosis seennrenchyma is replaced by fibrous tissue. This is seen in cases of tuberculosis, suppurative condition
bronchiectasis or in cases or in parenchyma is replaced by fibrous tissue. 2.This is like farction of lungs Focal fibrosis Due to irritation by dust as in pneumoconiosis. Interstitial fibrosis The fibrosis is limited to the alveolar walls. This type of thrusts is usually generalised and is the effeet of systemie seleroderma, deep X ray therapy and rarely Irom a local
antoimmune phenomenon as in primary interstitial fibrosis Clinical Features Symptoms I Progrensive breathlessness leading to complete Incapacitatl
3. Loss of weight and fatigue
4 Symptoms of right heart failure in late stages
5. Symptoms of the original discuse Chest xray PA view shows contracted left hemithoraxaggregation of ribs and shifted trachea on the left side, raised lef cupala of the diaphragm, non homogenous opaciry on the lefside. All due to pulmonary fibrosis
General Survey Central cyanosis may be present. Finger clubbing is present in 80% of cases. Other signs may be present according to the original disease Chest signs Inspection
1. Flattening of the chest is present.
2. Ribs are aggregated
3. Expansion of chest is restricted.
4. In apical fibrosis Morenheim’s fossa becomes prominent.
5. In cases of upper lobe fibrosis there may be drooping of the shoulder on the affected side