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Y4R2 - Obstetrics I 🤰 > L5: Malpresentation & Malposition (Breech) > Flashcards

L5: Malpresentation & Malposition (Breech) Flashcards

1
Q

=

Def of Breech Presentation

A

Malpresentation in which presenting part is podalic pole (buttocks + LLs) & denominator is sacrum.

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2
Q

Incidence of Breech Presentation

A
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3
Q

Positions of Breech Presentation

A
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4
Q

Common Breech Presentation positions

A
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5
Q

Types of Breech Presentation

A
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6
Q

Compare between Types of Breech Presentation in terms of:

  • Incidence
  • PP
  • Hips
  • Knees
  • Figure
A
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7
Q

Best Breech Presentation & Why

A
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8
Q

Worst Breech Presentation & Why

A
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9
Q

Etiology of Breech Presentation

A
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10
Q

Etiology of Breech Presentation

  • Power
A

Abdominal muscles laxity (allows free fetal movements).

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11
Q

Etiology of Breech Presentation

  • Passage
A
  1. Bony pelvis: Contracted pelvis.
  2. Soft tissue passages: Uterine anomalies & fundal fibroid.
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12
Q

Etiology of Breech Presentation

  • Passenger
A
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13
Q

Etiology of Breech Presentation

  • Most Important Cause
A

Prematurity

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14
Q

Etiology of Breech Presentation

  • Idiopathic
A

20% of cases

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15
Q

Mechanism of labor in Breech Presentation

A
  • Delivery of Buttocks, LLs & Trunk
  • Delivery of Shoulders & Legs
  • Delivery of Aftercoming Head
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16
Q

Delivery of Buttocks, LLs & Trunk in Breech Presentation

A
17
Q

Delivery of Shoulders & Arms in Breech Presentation

A
18
Q

Delivery of Aftercoming Head in Breech Presentation

A
19
Q

Delivery of Aftercoming Head in Breech Presentation

  • Why is it more difficult than forhead?
A
  • More difficult than delivery of forecoming head because longitudinal diameters of aftercoming head are less compressible & there is no time for moulding)
20
Q

Delivery of Aftercoming Head in Breech Presentation

  • Engagement
A
  • Engaging longitudinal diameter of fetal head: Usually SOF (10 cm) & may be OF (11. 5 cm) due to deflexion.
  • Diameter of engagement in pelvic inlet: Oblique diameter opposite to that traversed by buttocks & shoulders (perpendicular to each other).
21
Q

Delivery of Aftercoming Head in Breech Presentation

  • Internal Rotation
A

Y4R2 - Obstetrics I 🤰 (59 decks)

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