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Reasons for assisted delivery. (4)
- feto-maternal mismatch (large fetus, pelvic fracture, pelvic fat)
- uterine torsion
- fetal malposition
- fetal deformity
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Maternal (6) and fetal (4) factors of dystocia.
- maternal: age, parity, uterine positioning, uterine health, cervical dilation, duration of labor
- fetal: size, orientation, alive/dead, health or condition of fetus
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What is a disadvantage of epidural?
reduces maternal assistance
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What are the 3 P's of fetal orientation?
- Presentation (anterior)
- Positioning (dorsosacral)
- Posture (head and legs extended)
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Left horn pregnancies result in _________ uterine torsions; right-horn pregnancies result in __________ uterine torsions.
clockwise; counter-clockwise
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With a clockwise uterine torsion, you must roll the cow in a ____________ direction.
clockwise
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What are maternal indications for C-section? (4)
- small pelvic size
- intrapelvic fat
- incomplete cervical dilation
- uterine torsion
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What are fetal indications for C-section? (4)
- large/dead fetus
- malformation
- malpositioning
- fetal>>maternal value
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Why might you need 2 scalpel blades for a C-section?
- 1 for skin and body wall
- 1 for uterus- want a sharp blade to do minimal tearing/trauma to uterus
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How would you use calving chains during a C-section?
as soon as you get the legs presented, put calving chains on them so you can more easily keep a grip on it
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What approach to C-section is preferred and why?
left flank b/c rumen is a visceral retainer
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You're pulling a calf out by C-section and you feel tension, what do you do?
stop pulling, use a scalpel to make the incision bigger (YOU DON'T WANT TO TEAR THE UTERUS)
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How can you avoid the risk of adhesion formation after C-section? (6)
inverting suture pattern, buried knots, absorbable suture, remove blot clots, avoid using gauze when grabbing the uterus, gentle uterine handling
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