Veterinary Clinical Medicine-I (General and Systemic)

COUGH

Cough (Canine)

• Etiology: Nasal cavity and sinuses diseases with postnasal drip
• Pharyngeal & Laryngeal disorders:
  • Trauma
  • Foreign bodies
  • Infections (bact, viral, fungal, paras)
  • Neoplasia
  • Laryngeal pralysis
  • Everting laryngeal saccules
  • Laryngeal collapse

Tracheal & lower airway disorders

• Trauma
• F.B.
• Allergy
• Infection
  • Viral (distemper, parainfluenze [dogs] herpes & calici [cats])
  • Bacterial (Bordatella bronchisepticum)
  • Parasitic (Filaroides, Capillaria sp.)
    • Anomalies (collapse, hypoplasia, 1^o cilliary dyskinesia,
    • segmental stenosis)
    • Bronchiectasis

Pulmonary parenchymal disorders

• Trauma,
• Allergy (pulmonary infiltrates w/ eosinophillia),
• Infection
• Viral
• Bact
• Fungal (Blastomyces, Crytococcus, Aspergillus)
• Protozoal (Toxoplasmosis, Pneumocystis)
• Parasitic (Filaroides, Dirofilaria, Paragonimus)
• Neoplasia (1^o or 2^o)

Cardiac Disorders

• Pulmonary edema
• Left atrial enlargement (Causing bronchial compression

Mediastinal Disorders (causing airway compression)

• Lymphosarcoma (esp cats)
• Thymomas
• Tracheobronchial lymphadenopathy