Type of Test
Allows the veterinarian to directly view the upper respiratory tract, guttural pouches, trachea, and upper airways of the lungs. Reasons for endoscopic examination include upper airway noise, difficulty inhaling, poor exercise performance, and 1- or 2-sided nasal discharge.
X-rays of the skull
Used to investigate facial deformity, abnormalities of the sinuses, guttural pouches, and tissues at the back of the mouth and throat.
X-rays of the neck
Used to investigate possible airway (tracheal) obstruction.
Used to obtain material for evaluation under a microscope and for bacterial and fungal culture when an infectious disease is suspected.
Used to obtain material from lower (smaller) airways for microscopic examination when noninfectious diseases are the concern.
Used to obtain samples to test for viral diseases.
X-rays of the chest
Detects abnormalities of the lungs, heart, and diaphragm.
Ultrasound of the chest
Used to identify the volume, location, and character of fluid or air within the chest cavity.
Sampling of fluid from the chest cavity.
Lung biopsy and fine needle aspirate
Used to obtain tissue samples for final diagnosis of lung tumors, lung fibrosis, and other diseases.