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10 Cards in this Set
- Front
- Back
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INTERSTITIAL VS. BRONCHOPNEUMONIA
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Interstitial: Targeting alveolus, often via lymph
Broncho: Targeting airways extending into Alveolus, usually cranioventral, typically associated with bacterial infections resulting from aspiration. |
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BACTERIAL PNEUMONIA
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Most not primary
- Underlying damage to respiratory defenses - Anatomic confirmation - Immunosuppression - Aspiration - Neutrophilic infiltration of alveoli and terminal airways |
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ASPIRATION PNEUMONIA
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- Subset of bronchopneumonia
- Infection may spill over into interstitium as well - edema to necrotising lesions May result from: - Dysphagia - Regurgitation - General Anesthesia |
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INTERSTITIAL PNEUMONIA
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- Diffuse or Multifocal
- Viral infection diffuse/ patchy interstitial (as in canine distemper) - Fungal/Parasitic more nodular- start CV then migrate via blood and lymphatics - assc with immunosuppresion - Lungs are firm - fluid replacing air, protein membranes on top of type I pneumocytes, alveolar edema from imbalances in Starling's Forces - Ventilaton Injuries |
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VIRUSES THAT CAUSE INTERSTITIAL PNEUMONIA IN DOG AND CAT
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DOG:
- Canine distemper - Canine herpes virus - Canine adenovirus - Influenza CATS: - FIP - Calici |
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PIE
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Pulmonary hypersensitivity in dog. Eosinophilic pneumopathy and pneumonia.
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CANINE AND FELINE PULMONARY PARASITES THAT CAUSE INTERSTITIAL PNEUMONIA
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PROTOZOA
- Toxoplamsma gondii (cat) TREMATODES - Eucoleus Aerophilus (dog) - Paragonimus kellicotti (cat) NEMATODES - Crenasoma vulpis (dog) - Filaroides hirthi (dog) - Angiostrongylus vasorum (dog) - Aelurostrongylus abstrusus (cat) - Diofilarisis |
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FUNGAL PNEUMONIAS
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- Blastomyces dermatitis (dog)
- Cryptococcus neoformans (dog and cat) - Coccidiodes immitis (dogs>cats) - Adiaspiromycosis (emmonisia spp) |
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NON-INFLAMMATORY, NON-NEOPLASTIC LUNG CHANGES
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Emphysema:
- Alveolar (multifocal bullous - may cause pneumothorax on rupture) - Lobar ( congenital abscence of bronchial cartilage in dogs) |
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PULMONARY DISORDERS INVOLVING VASCULATURE
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Disorders of pulmonary cascade may cause pulmonary arterial thrombosis - PV mismatch and acute right sided heart failure.
- Difficult organ to infarct, if present on peripheral lung lobes |
