Thorax

Question 1

Rough estimate of heart size
VS
Vertebral heart score

Answer 1

• 2/3-3/4 height of thorax and 2.5-3.5 intercostal spaces wide on lat, trachea NOT parallel to spine
• 1/2-2/3 thorax width on vD

VS

• Dogs: 8.5-10.5
• cats: 6.5-7.5
• measured form T4

Question 2

Interstitial vs alveolar pattern

Answer 2

• interstitial = soft tissue opacity that partially silhouettes with pulmonary blood vessels
• alveolar = completely silhouettes with blood vessel, +/- air bronchogram

Question 3

3 areas of lymph nodes

Answer 3

• sternal
• cranial mediastinal
• tracheobronchial