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Collapsing Trachea 194.e1
VetBooks.ir Diseases and Disorders
A B
C D
COLLAPSING TRACHEA Bronchoscopic images of tracheal collapse. A, Grade I collapse, resulting in loss
of 25% of the tracheal lumen. B, Grade II collapse, resulting in loss of 50% of the tracheal lumen. C, Grade III
collapse, resulting in loss of 75% of the tracheal lumen. D, Grade IV collapse with complete loss of the tracheal
lumen. (From Tappin SW: Canine tracheal collapse. J Small Anim Pract 57:9-17, 2016.)
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