The coughing is driving the owner crazy, and she reports that it is worse when the dog is excited or exercises. On auscultation, you hear increased bronchial sounds and expiratory wheezes. A respiratory sinus arrhythmia is noticeable. There are prominent, wide airways extending beyond the hilar region, suggesting bronchiectasis as a result of chronic bronchitis. Peribronchial and interstitial densities are present throughout the lung fields, and ventral consolidation is present in the lateral view.
Hilar lymphadenopathy is apparent.
Cytology of tracheal fluid reveals eosinophilic inflammation. Culture was positive for Bordatella .