FA Med Q4, Retic/Abo I

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HLW
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214407
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FA Med Q4, Retic/Abo I
Updated:
2013-04-20 22:55:46
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FA Med Q4 Retic Abo
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FA Med Q4, Retic/Abo I
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  1. What scenarios lead to increased risk of traumatic reticuloperitonitis?
    • after calving
    • confined cattle - metal in feed
  2. C/S associated with acute localized peritonitis from hardware disease? 6
    • *fever*
    • Anorexia
    • Cessation of milk
    • Tachycardia/Tachypnea
    • Orthopnic stance
    • Hypomotility/↓ feces
  3. C/S of Chronic peritonitis 4
    • Chronic:
    • Less evident since fibrin has walled off
    • Wt loss
    • Undigested fiber in feces
    • Intermittent fever/anorexia
  4. Although rare in ruminants, what are expected findings with diffuse peritonitis? 5
    • "Crash & Burn"
    • Febrile
    • Hypovolemia
    • Recumbency
    • Death
  5. Heart auscultation with pericarditis=>
    • Splashing sounds or Muffled
    • Pericardial friction rubs
  6. Other findings associated with pericarditis upon PE?
    • Jugular V distention & pulses
    • Brisket edema
  7. what is treatment for hardware disease? 7
    • Rumenotomy
    • Long term Abs
    • NSAIDs
    • Magnet
    • Fluids
    • Stall rest
    • Transfaunation
  8. what are landmarks for performing pericardiocentesis?
    • L side, 5th rib space
    • (U/S guided)
  9. 2' problems to hardware Dz? 6
    • Abd abscess (anorexia/wt loss)
    • Adhesions
    • Vagal indigestion
    • Pericarditis
    • Septic pleuritis
    • Endocarditis
  10. Motor disturbance that impairs passage of ingesta from reticulum/abomasum to lower GI?
    vagal indigestion syndrome
  11. 4 Dz's that make up vagal indigestion syndrome?
    • Abomasal volvulus
    • Inflammation of thorax/abdomen
    • Hardware
    • Pneumonia
  12. Appearance/Contour seen with vagal indigestion?
    Name?
    • Distention: High on L & Low on R
    • "Papple"
  13. How does pneumonia lead to vagal indigestion?
    Enlarged mediastinal LN and Pleuritis affect Vagus n
  14. How does LSA cause vagal indigestion?
    Pyloric outflow obstruction
  15. How does listeriosis lead to vagal indigestion?
    CrN 5-12 affected
  16. Expected PE findings associated with vagal indigestion? 5
    • Bradycardia
    • Papple shape
    • Fiber in feces
    • Rumen hypo/hypermotility
    • Intermittent regurgitation
    • (vague signs)
  17. Clin path with vagal indigestion is usually near normal but what are some consistent findings? 4
    • Hypochloremia
    • Metabolic alkalosis
    • Hyperfibrinogin
    • Luukocytosis/Leukopenia
  18. Vagal indigestion...
    Tx?
    Prognosis?
    • Tx underlying Dz
    • Rumen lavage
    • Rumenotomy

    Guarded prognosis
  19. what is the most common abomasal disorder? when do you see this problem occur?
    LDA 

    First 6 wks post calving
  20. what is a surgical emergency, a R or L displaced abomasum?
    Why
    • R abomasum = ER
    • Can⇒Volvulus
  21. Who is NOT going to get a DA?
    Who is most likely?
    • Small ruminants (very rare)
    • Camelids (NO abomasum)

    Most likely: Lactating Dairy cattle
  22. Factors that predispose cow to get DA? 5
    • Older
    • Breed (dairy- guernsey)
    • Parturition (extra space post calving - LDA)
    • Nutrition
    • Concurrent Dz
  23. How does ketosis predispose to DA?
    • ↓Appetite ⇒↓Rumen filling
    • Negative E balance & Shifting organs
  24. Which mineral imbalance makes a cow 5x more likely to have DA?
    Why?
    Hypocalcemia

    ↓ Abomasal activity
  25. what type of diet predisposes DA?
    Pathophys?
    • *↑ concentration/↓ forage*
    • ↑Grain
    • ↑Gas & ↑VFAs
    • ↓motility & ↓Fiber length
    • ↓rumen contractions
  26. How does retained placenta or severe mastitis/metritis lead to DA?
    Endotoxemia decr. motility
  27. what are physical exam findings in cow with LDA/RDA? 8
    • N TPR (unless concurrent illness)
    • ↓Milk production
    • Anorexia
    • ↓ Rumen contractions
    • "ping"
    • Ketones in urine/milk
    • A fib
    • +/- Diarrhea depending on how long
  28. Abd contour with LDA vs. RDA?
    LDA and/or RDA: Slab sided/empty rumen

    LDA only: bulge Cr to L fossa
  29. what is hydration status of most DAs?
    • normal
    • (bc recognized quickly so no changes in hydration usually)
  30. What will rectal palpation tell you about DA?
    • Won't palpate LDA
    • if palpate RDA, its bad news = volvulus

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