Equine-cardiovascular

Question 1

Aortic base rupture

Answer 1

stallions after breeding

Question 2

Endocardiosis is

Answer 2

degenerative

• usually mitral valve, fibrous tissue and mucinous degeneration
• could predispose to chordae rupture

Question 3

Endocarditis is

Answer 3

due to infection or inflammation

• mural or valvular grittiness
• emboli or infarcts

Question 4

Verminous Arteritis

Answer 4

Strongylus Vulgaris

-cranial mesenteric artery, don’t really see now

Question 5

Equine Viral Arteritis

Answer 5

1. Inhalation, sexual transmission
2. Grossly - diffuse subcutaneous edema, pleural and pericardial effusions
   - Petechia, ecchymoses
   - Interstitial pneumonia
   - Abortion storms
3. Microscopically: fibrinoid necrosis, panvasculitis, pulmonary edema and interstitial pneumonia, renal tubular necrosis, edema and hemorrhage in lymphoid organs and intestines

Question 6

EVA DDX

Answer 6

EIA, EHV-1

Question 7

Myocarditis

Answer 7

Rare
EEE
Streptococcus

Question 8

Myocardial Necrosis or degeneration DDX

Answer 8

1. Vit E/Selenium Deficiency - patchy, white foci, foals
2. Ionophore toxicity/Monensin
3. Cassia Occidentalis
4. Oleander
5. Blister Beetle - Cantharidin

Question 9

Vesicular stomatitis

Answer 9

1. Rhabdovirus
2. Effects horses, cattle, pigs, ruminants, humans
3. Not life threatening but reportable
4. Oral cavity, coronary bands, painful