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VMED 161 > Diseases of the Stomach Pt. 1 > Flashcards

Diseases of the Stomach Pt. 1 Flashcards

1
Q

EGUS involves 3 organs:

A

esophagus, stomach and duodenum

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2
Q

percent prevalence in performance horses (EGUS)

A

40-93%

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3
Q

__% prevalence in foals (EGUS)

A

25-51

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4
Q

EGUS Impact on Horses are the ff. except
A. Results in poor body
condition
B. Can cause colic, duodenal strcitures
C. Results in poor body
condition, esophagitis,
D. CHronic ulceration, perforation, peritonitis
E. ALL of the above
F. none of the above

A

E

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5
Q

equine stomach consists of cuboidal (non glandular) tissue T/F

A

F squamous

This is where 80% of equine ulcers occur; less resistant to acid injury

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6
Q

This part of equine stomach is more resistan to acid and 20% of injury occurs here

A

Glandular and mucus-secreting tissue

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7
Q

this separates the 2 parts of the equine stomach

A

margo plicatus

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8
Q

gastric lining damage occurs when (causes of EGUS)
1. Aggressive factors overpower. Give example

A

acid, pepsin, bile, organic acids

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9
Q

gastric lining damage occurs when (causes of EGUS)
2. defenses of gastric mucosa. Give example

A

bicarbonate, mucus

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10
Q

gastric lining damage occurs when (causes of EGUS)
3. Squamous mucosa lining lacks these defenses T/F

A

T

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11
Q

Risk factor for EGUS: feeding

Feeding management - increased acid when roughage are available. T/F

A

F - decreased dapat

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12
Q

horses graze for 17-19 hours a day T/F

A

F - 16-18 dapat

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13
Q

Gastric acidity (HCl) is high in a full stomach T/F

A

F - empty dapat

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14
Q

in intermittent feed deprivation, lesions are formed in glandular mucosa while there are NO lesions in squamous.T/F

These lesions are prevented by an anti ulcer medicine called _____

A

F - squamous ang with lesion

Ranitidine/Zantac

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15
Q

Fermentation of grain by resident bacteria and
production of by-products ___

Isolated bacteria___

A

Risk of grain feeding

Lactobacillus spp.

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16
Q

Risk factors for EGUS is training/racing whch includes intensive exercise. What does this result to? 3 answers

A

-Reduced blood flow to the stomach lining?
– Increased gastric acidity?
– Altered eating behavior?

17
Q

Increased intra-abdominal pressure during intense exercise causes gastric compression, pushing acid contents into distal stomach T/F

A

F proximal

18
Q

risk factor: stress

Illness, painful musculoskeletal disorder endometritis belongs to this type of stress.

A

Physical

19
Q

risk factor: stress

-Stall confinement
– Transport
– Unfamiliar environment,social regrouping is under?

A

behavioral

20
Q

NSAIDs that can cause EGUS

inihbit cox 1&raquo_space;> inhibit ___ interrupting mucosal blood flow and mucus

A

Phenylbutazone & Flunixin Meglumine

prostaglandins

21
Q

Clinical Signs of EGUS in Horses

A

Poor appetite
* Poor body condition
* Attitude changes
* Decrease in performance
* Mild to moderate colic

22
Q

Clinical Signs of EGUS in Foals

A
  • Poor appetite or intermittent nursing
  • Colic
  • Poor body condition
  • Frequently lies on back
  • Bruxism (grinding of teeth)
  • Excessive salivation (Ptylism)
  • Diarrhea
23
Q

Clinical signs are specific for EGUS T/F

Lab results should show severe anemia T/F

Gastric endoscopy is the ONLY definitive diagnostic tool T/F

A

F - not specific, suggestive only
F- mild only
T

24
Q

Endoscope dimension

A

9 ft long

25
Q

lesion grading system

WHAT grade?
Epithelium intact; no hyperemia
(reddening) or hyperkeratosis
(yellow appearance of squamous
mucosa)

A

0

26
Q

lesion grading system

WHAT grade?
Large, single or multifocal lesions
or extensive superficial lesions

A

3

27
Q

lesion grading system

WHAT grade?
Mucosa intact; areas of reddening
or hyperkeratosis

A

1

28
Q

Small, single or multifocal lesions what grade?

A

2

29
Q

lesion grading system

what grade? Extensive lesions with areas of
apparent deep ulceration

A

4

30
Q

fecal occult blood test other term

this test is very diagnostic. T/F

A

Guaiac Test

F

VMED 161 (6 decks)

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