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Y4R2 - Obstetrics I 🤰 > L8: Contracted Pelvis & Cephalopelvic Disproportion > Flashcards

L8: Contracted Pelvis & Cephalopelvic Disproportion Flashcards

1
Q

Read Dystocia

Def of Contracted Pelvis

A
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2
Q

Def of Cephalopelvic or fetopelvic disproportion

A

Disproportion () head & pelvis (in cephalic presentation) or () fetus & pelvis (in presentations other than cephalic)

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3
Q

Compare between CP & CPD

A
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4
Q

Factors affecting size & shape of pelvis

A
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5
Q

Classification of contracted pelvis

A
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6
Q

Etiology of Contracted Pelvis

A
  • Causes in Pelvis
  • Causes in Spine
  • Causes in LLs
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7
Q

Contracted Pelvis

  • Causes of Pelvis
A
  • Congenital
  • Metabolic
  • Trauma
  • Tumor
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8
Q

Pelvic Causes of Contracted Pelvis

  • Congenital
A
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9
Q

Naegele’s Pelvis

A

Absence of 1 ala of sacrum (obliquely CP or asymmetric pelvis).

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10
Q

Robert’s Pelvis

A

Absence of 2 alae of sacrum (transversely (PI)

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11
Q

High assimilation Pelvis

A

Sacrum is made of 6 fused segments.

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12
Q

Low assimilation Pelvis

A

Sacrum is made of 4 fused segments.

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13
Q

Split Pelvis

A

Absent pubic bone usually associated e ectopia vesica)

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14
Q

Pelvic Causes of Contracted Pelvis

  • Metabolic Causes
A
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15
Q

Pelvic Causes of Contracted Pelvis

  • Trauma
A

Fractures

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16
Q

Pelvic Causes of Contracted Pelvis

  • Tumor
A

osteoma, …..

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17
Q

Causes of Contracted Pelvis

  • Spine Causes
A
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18
Q

Causes of Contracted Pelvis

  • LLs Causes
A
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19
Q

Etiology of CPD

A
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20
Q

Complications of CP & CPD

A
  • Maternal
  • Fetal
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21
Q

Complications of CP & CPD

  • Maternal
A
  • During pregnancy
  • During Labor
  • During Puerperium
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22
Q

Complications of CP & CPD

  • Maternal (During Pregnancy)
A
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23
Q

Complications of CP & CPD

  • Maternal (During Labor)
A
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24
Q

Complications of CP & CPD

  • Maternal (During Puerperium)
A

PPH & puerperal sepsis.

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25
Complications of **CP & CPD** - Fetal & Neonatal
26
Dx of **CP & CPD**
(history -Ex - Pelvimetry - Cephalometry - CPD Tests)
27
Dx of **CP & CPD** - Hx
28
Dx of **CP & CPD** - General Ex
29
Dx of **CP & CPD** - Abdominal Ex
30
Dx of **CP & CPD** - Pelvimetry
31
Pelvimetry of **CP & CPD** - Indications
Done for all primigravidas in last weeks of pregnancy & multiparas e bad obstetric history.
32
Pelvimetry of **CP & CPD** - Time of Clinical Pelvimetry
Done at 36 wk through vaginal examination by Rt hand e patient in lithotomy position eout anesthesia
33
Pelvimetry of **CP & CPD** - Method of Clinical Pelvimetry
- Internal & External
34
Pelvimetry of **CP & CPD** - Internal Clinical Pelvimetry
35
Pelvimetry of **CP & CPD** - External Clinical Pelvimetry
36
Sacral promontory
Normally, not easily palpable.
37
Diagonal conjugate diameter
Normally =12.5 cm.
38
Sacrum
- For width, curve & any anomaly (normally it is broad & concave from above downwards & from side to side).
39
Side walls of pelvis
To determine whether they are straight, divergent or convergent.
40
Ischial spines
To determine whether they are prominent or not & measure distance ( ) them (normally = 10 cm)
41
Sacrospinous ligament
Normally = 2 fingers breadth (3.5 cm)
42
Width of sacrosciatic notch
Normally accommodates 2 fingers.
43
Mobility of coccyx
Normally, it is mobile) & can recede backwards easily.
44
AP diameter of outlet
Measured by the same manner as diagonal conjugate but tip of middle finger touches tip of sacrum,
45
Capacity of subpubic angle
Normally, angle can accommodate 2 (fingers near apex eout any difficulty
46
External Pelvimetry - Inlet pelvimetry
Measure diameters of false pelvis by Martin's pelvimeter (has little importance).
47
External Pelvimetry - Outlet Pelvimetry
48
Radiological Pelviemtry
49
Cephalometry
50
Time of **CPD Tests**
After 36 weeks if head isn't engaged especially in primigravidas).
51
Idea of **CPD Tests**
- Fetal head is used as a pelvimeter (fetal head is the best pelvimeter for inlet).
52
Methods of **CPD Tests**
53
Methods of **CPD Tests** - Pinard Maneuver (External Method)
54
Methods of **CPD Tests** - Muller-Kerr's Maneuver (External & Internal Method) "More accurate"
55
Disadvantages of **CPD Tests**
56
Results of **CPD Tests**
57
Results of **CPD Tests** - No disproportion
Head can be made to enter pelvis
58
Results of **CPD Tests** - Disproportion
59
Def of **Pelvic Inlet Contraction**
60
Degrees of **Pelvic Inlet Contraction**
61
Effects of **Pelvic Inlet Contraction**
62
Clinical Dx of **Pelvic Inlet Contraction**
63
Management of **Pelvic Inlet Contraction**
64
Def of **Trial Labor**
65
Patient Selection for **Trial Labor**
66
Prerequisities in **Trial Labor**
67
Technique of **Trial Labor**
68
Manifestations of Progress in **Trial Labor** (Good Omens)
69
Termination (Results) of **Trial Labor**

Y4R2 - Obstetrics I 🤰 (59 decks)

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