Equine Clinical Exam Flashcards

1
Q

Reproductive history

A
  • results of previous breedings
  • type of breeding
  • stallion choices
  • stallion fertility
  • examine breeding records
  • foaling history
  • trauma
  • behavioral history
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2
Q

Older maiden mare syndrome

A

Fibrosis of cervix

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3
Q

History

A
  • general health
  • diet
  • vaccination status
  • intended use of horse
  • drug administration (anabolic steroids)
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4
Q

General physical exam

A
  • body condition of mare –> look at teeth

- ideal BCS is 5

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5
Q

Reproductive exam

A
  • rectal palpation
  • US
  • vaginal exam
  • cytologic exam uterine swab
  • histopathology of endometrium
  • hyterescopic exam
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6
Q

Evaluation of external genitalia

A
  • ascertain conformation
  • long axis vertical
  • labia well apposed
  • is vulvar seal tight
  • look at clitoris, check for intersex conditions
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7
Q

____ of vulva should be below the floor of the pelvis

A

75-80%

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8
Q

_____ cranial slope of vulva is normal

A

< 10 degree

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9
Q

Caslick’s surgery

A

Dorsal portion of vulva will heal together until it is removed 6-8 days prior to foaling

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10
Q

What are the 3 barriers to the uterine lumen?

A
  • vulvar seal: Caslick’s procedure to prevent wind sucking
  • vestibulovaginal sphincter
  • cervix
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11
Q

What can you feel on a rectal exam?

A
  • length, diameter, tone of cervix
  • proper size and location of ovaries (bean shaped)
  • tubular horns in T shape
  • cervix is palpable in pelvic floor (palpated thru the vagina)
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12
Q

Ultrasound exam

A

Scan both ovaries and uterus

  • look for CL and follicle development
  • uterus has a wagon wheel appearance during heat
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13
Q

Uterine abnormalities

A
  • uterine cysts
  • fluid
  • air: echo dense, appears bright on US
  • tumor
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14
Q

Speculum vaginal exam

A

Sterile!

  • assess vulvovaginal sphincter tone
  • urine pooling
  • persistent hymen
  • recto vaginal fistula
  • cervical tears
  • varicose veins
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15
Q

Cervical tears are best evaluated when the mare is in ______

A

Diestrus

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16
Q

Cervical fibrosis is best seen when the mare is in _____

A

Heat

17
Q

Digital vaginal exam

A
  • vulvovaginal sphincter competence
  • cervical lacerations
  • cervical adhesions
  • vaginal trauma
  • RV fistula
18
Q

Uterine culture

A

Performed first if collecting multiple samples

  • use guarded swabs
  • strep zoo., e coli, pseudomonas, klebsiella, staph
  • uterine lavage fluid
  • don’t forget clitoral fossa in chronic cases
19
Q

Cytology

A

Brushes are best

  • looking for acute inflammation
  • may also see fungal hyphae or yeast
20
Q

Biopsy

A

Gold standard

  • take sample from the base of the uterine horn
  • detects bacteria deeply seeded in the endometrium
21
Q

Biopsy grades

A
  • grade 1: normal endometrium, 80-90% foaling rate
  • grade 2A: mild endometrial pathology, 50-80% foaling rate
  • grade 2B: moderate endometrial pathology, 10-50% foaling rate
  • grade 3: severe endometrial pathology, <10% foaling rate
22
Q

______ lesions are responsive to treatment

A

Inflammatory

23
Q

______ lesions are less responsive to treatment

A

Degenerative

- are in the endometrium, not ovary

24
Q

_______ is indicated when no other cause of infertility can be determined via other methods

A

Hysteroscopic exam

  • perform while in diestrus
  • aseptically pass video into uterus
  • insufflate with air
25
Q

Things to look for with a hysteroscopic exam

A
  • adhesions
  • cysts
  • foreign bodies
  • tumors
  • persistent endometrial cups
  • mummified fetus
  • scars
26
Q

Normal mare chromosome

A

64

- XX

27
Q

Turner’s syndrome

A

63, X

  • small stature, normal external genitalia
  • anestrous, infertility
28
Q

Sex reversal

A

64, XY

  • gonadal dysgenesis, may exhibit stallion behavior
  • chromosomal male, looks female
  • no estrous cycles
29
Q

XO mosaicism

A

63, X AND 64, XX

  • normal appearance
  • irregular estrous cycles
  • gonadal dysgenesis
30
Q

What are the minimal goals of reproduction?

A
  • 55% per cycle preg rate for all mares
  • 80% for healthy mares
  • 80% live foal rate per season