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| **Mild catarrhal inflammation resolves in 7 days and the lung is back to normal within 3 weeks | | **Mild catarrhal inflammation resolves in 7 days and the lung is back to normal within 3 weeks |
| **More severe inflammation becomes chronic with fibrosis or [[Bronchi and Bronchioles Inflammatory - Pathology#Bronchiectasis|bronchiectasis]] | | **More severe inflammation becomes chronic with fibrosis or [[Bronchi and Bronchioles Inflammatory - Pathology#Bronchiectasis|bronchiectasis]] |
− | **[[Lungs - inflammatory#Pulmonary abscesses|Abscess]] formation with pyogenic bacteria | + | **[[Lungs Inflammatory - Pathology#Pulmonary abscesses|Abscess]] formation with pyogenic bacteria |
| **'''Pleuritis''' in severe fibrinous pneumonia with adhesions | | **'''Pleuritis''' in severe fibrinous pneumonia with adhesions |
| **Death in fulminating cases due to hypoxaemia and toxaemia | | **Death in fulminating cases due to hypoxaemia and toxaemia |
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| **Parasites passing through the lung as part of their migration e.g. [[Respiratory Parasitic Infections - Pathology#Ascaris suum|''Ascaris suum'']] in the pig, aberrant migration in the case of flukes; | | **Parasites passing through the lung as part of their migration e.g. [[Respiratory Parasitic Infections - Pathology#Ascaris suum|''Ascaris suum'']] in the pig, aberrant migration in the case of flukes; |
| **Parasites for which the lung is the target tissue e.g. [[Respiratory Parasitic Infections - Pathology#Dictyocaulus viviparus|''Dictyocaulus viviparus'']] | | **Parasites for which the lung is the target tissue e.g. [[Respiratory Parasitic Infections - Pathology#Dictyocaulus viviparus|''Dictyocaulus viviparus'']] |
− | *Lesions can vary from interstitial to [[Bronchi and Bronchioles Inflammatory - Pathology#Chronic bronchitis|chronic bronchitis]] to [[Lungs - inflammatory#Granulomatous pneumonia|granulomatous pneumonia]] | + | *Lesions can vary from interstitial to [[Bronchi and Bronchioles Inflammatory - Pathology#Chronic bronchitis|chronic bronchitis]] to [[Lungs Inflammatory - Pathology#Granulomatous pneumonia|granulomatous pneumonia]] |
| *May be infiltrate of eosinophils in pulmonary interstitium and bronchoalveolar spaces | | *May be infiltrate of eosinophils in pulmonary interstitium and bronchoalveolar spaces |
| *[[Lungs Ventilation - Pathology#Atelectasis (Collapse)|Atelectasis]] and [[Lungs Ventilation - Pathology#Emphysema|emphysema]] may result due to obstruction | | *[[Lungs Ventilation - Pathology#Atelectasis (Collapse)|Atelectasis]] and [[Lungs Ventilation - Pathology#Emphysema|emphysema]] may result due to obstruction |
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| *Can be a consequence of: | | *Can be a consequence of: |
| # [[Lungs Circulatory - Pathology#Embolism, thrombosis and infarction|'''Septic emboli''']] lodging in the pulmonary vessels | | # [[Lungs Circulatory - Pathology#Embolism, thrombosis and infarction|'''Septic emboli''']] lodging in the pulmonary vessels |
− | # '''Extension''' from severe focal suppurative [[Lungs - inflammatory#Bronchopneumonia|bronchopneumonia]] | + | # '''Extension''' from severe focal suppurative [[Lungs Inflammatory - Pathology#Bronchopneumonia|bronchopneumonia]] |
− | # '''Aspiration''' of foreign material (see [[Lungs - inflammatory#Aspiration pneumonia|aspiration pneumonia]]) | + | # '''Aspiration''' of foreign material (see [[Lungs Inflammatory - Pathology#Aspiration pneumonia|aspiration pneumonia]]) |
| # Direct '''penetration''' | | # Direct '''penetration''' |
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| **Most commonly [[Control of Feeding - Anatomy & Physiology#The Vomit Reflex|vomited]]/regurgitated material or contrast medium introduced into airways | | **Most commonly [[Control of Feeding - Anatomy & Physiology#The Vomit Reflex|vomited]]/regurgitated material or contrast medium introduced into airways |
| **In severe acute cases may die from septic shock | | **In severe acute cases may die from septic shock |
− | **In chronic cases -> [[Lungs - inflammatory#Bronchopneumonia|bronchopneumonia]] | + | **In chronic cases -> [[Lungs Inflammatory - Pathology#Bronchopneumonia|bronchopneumonia]] |
| **Common sequel to [[Oesophagus#Myasthenia Gravis|myasthenia gravis]], [[Oesophagus#Congenital Achalasia - Megaoesophagus|megaoesophagus]] or [[Heart and Great Vessels Development - Pathology#Persistent Right Aortic Arch|persistent right aortic arch]] | | **Common sequel to [[Oesophagus#Myasthenia Gravis|myasthenia gravis]], [[Oesophagus#Congenital Achalasia - Megaoesophagus|megaoesophagus]] or [[Heart and Great Vessels Development - Pathology#Persistent Right Aortic Arch|persistent right aortic arch]] |
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| *Due to aspiration of amniotic fluid contaminated with meconium and bacteria | | *Due to aspiration of amniotic fluid contaminated with meconium and bacteria |
| **Secondary to fetal distress | | **Secondary to fetal distress |
− | **Microscopic lesions of [[Lungs - inflammatory#Bronchopneumonia|bronchopneumonia]] | + | **Microscopic lesions of [[Lungs Inflammatory - Pathology#Bronchopneumonia|bronchopneumonia]] |
| **Involves all lobes (versus postnatal bronchopneumonia) | | **Involves all lobes (versus postnatal bronchopneumonia) |
| *Haematogenous spread | | *Haematogenous spread |
− | **Causes [[Lungs - inflammatory#Interstitial pneumonia|interstitial pneumonia]] | + | **Causes [[Lungs Inflammatory - Pathology#Interstitial pneumonia|interstitial pneumonia]] |
| **Often caused by ''Listeria monocytogenes'', ''Salmonella'' spp. or ''Chlamydia psittaci'' | | **Often caused by ''Listeria monocytogenes'', ''Salmonella'' spp. or ''Chlamydia psittaci'' |
| *In viral abortions | | *In viral abortions |
− | **Cause [[Lungs - inflammatory#Bronchointerstitial pneumonia|bronchointerstitial pneumonia]] | + | **Cause [[Lungs Inflammatory - Pathology#Bronchointerstitial pneumonia|bronchointerstitial pneumonia]] |
| **E.g.: [[Respiratory Viral Infections - Pathology#Infectious bovine rhinotracheitis (IBR)|IBR]], [[Respiratory Viral Infections - Pathology#Parainfluenza- 3|PI-3]] and [[Respiratory Viral Infections - Pathology#Equine rhinopneumonitis|equine viral rhinopneumonitis]] | | **E.g.: [[Respiratory Viral Infections - Pathology#Infectious bovine rhinotracheitis (IBR)|IBR]], [[Respiratory Viral Infections - Pathology#Parainfluenza- 3|PI-3]] and [[Respiratory Viral Infections - Pathology#Equine rhinopneumonitis|equine viral rhinopneumonitis]] |