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OBGYN > OBN: Dystocia > Flashcards

OBN: Dystocia Flashcards

1
Q

Cut-off values for protracted active phase in nullipara and multipara

A

Nullipara - <1.2cm/hr

Multipara - < 1.5cm/hr

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2
Q

Cut-off values for protracted descent in nullipara and multipara

A

Nullipara - <1cm/hr

Multipara - <2cm/hr

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3
Q

Cut-off values for prolonged deceleration phase in nullipara and multipara

A

Nullipara - >3hrs

Multipara - >1hr

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4
Q

Cut-off values for prolonged latent phase in nullipara and multipara

A

Nullipara - >20hrs

Multipara - >14hrs

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5
Q

____ is when there is no descent in deceleration or 2nd stage of labor

A

Failure of descent

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6
Q

Cut-off values for arrest of descent in both nullipara and multipara

A

> 1hour

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7
Q

____ is the cut-off time to be considered a precipitous labor

A

Fetal expulsion <3hours

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8
Q

____ is the lateral deflection of the saggital suture posteriorly toward the sacral promontory or anteriorly toward the symphysis pubis.

A

Asynctilism

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9
Q

The distal conjugate measures 10cm. This is suggestive of ____ pelvic inlet

A

Contracted.

DC more than 11.5cm means adequate pelvic inlet

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10
Q

The bispinous diameter is 8.5cm. This is suggestive of ____ midpelvis

A

Adequate.

BSD of <8cm suggests contracted midpelvis

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11
Q

The bituberous diameter measures 8cm. This suggests a ____ pelvic outlet

A

Adequate.

BTD of <= 8cm suggests contracted pelvic outlet

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12
Q

____ maneuver wherein the physician reaches the most anterior fetal shoulder, which is then pushed toward the anterior surface of the fetal chest

A

Rubin’s maneuver

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13
Q

___ maneuver. Using the heel of clasped hand, suprapubic pressure is applied by another member of the team to the posterior aspect of the anterior shoulder to ABDUCT THE SHOULDER.

A

Mazzanti maneuver

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14
Q

What is the criteria for adequate labor

A
  1. > 6cm, ruptured BOW AND
  2. > 4 hours of adequate contractions OR
  3. > 6 hours if inadequate contraction and no cervical change
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15
Q

Prolongation disorder happens in what stage of labor?

A

First Stage

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16
Q

What is the intervention for prolonged latent phase?

A

Oxytocin drip

17
Q

Patient is in active phase of the cervical dilatation is ___

A

> 3cm-5cm

18
Q

What is the management for protracted active phase?

A

Amniotomy with early oxytocin to shorten labor

19
Q

Patient is on prolonged deceleration phase if the cervical dilatation is at ____

A

8-10 cm

Nulli >3 hours
Multi >1 hour

20
Q

[Diagnose and intervention]

G1P0, 9cm for 4 hours station -2

A

Prolonged deceleration phase

If no CPD: Oxytocin
If with CPD: CS

21
Q

[Diagnose and intervention]

G3P2, 9cmm for 2 hours station -2

A

prolonged deceleration phase

If no CPD: Oxytocin
If with CPD: CS

22
Q

[Diagnose and intervention]

G1P0, 10 cm, station 3 for 2 hours

A

Arrest of descent

If no CPD: Oxytocin
If with CPD: CS

23
Q

When will you consider CS in abnormal labor?

A
  1. 4 hours of uterine contractions of >200 MVU without cervical change
  2. 6 hours of oxytocin augmentation for inadequate contractions
24
Q

[Contributing factor to complications]

Prolonged or desultory labor

A
  1. Chorioamnionitis

2. Postpartum pelvic infection

25
Q

[Contributing factor to complications]

Prolonged augmented labor

A
  1. Postpartum hemorrhage from atony
26
Q

[Contributing factor to complications]

High parity, prior CS

A

Uterine rupture

27
Q

[Contributing factor to complications]

Prolonged second stage

A

Fistula formation from necrosis

28
Q

[Contributing factor to complications]

second stage and maternal expulsive efforts

A
  1. urinary incontinence

2. Pelvic organ prolapse

29
Q

[Contributing factor to complications]

Inappropriate leg positioning in stirrups in prolonged stage 2

A

compression of the common fibular (peroneal) nerve

30
Q

[Contributing factor to complications]

Prolonged labor

A
  1. Fetal sepsis
  2. Caput succcedaneum
  3. Molding
31
Q

[Shoulder dystocia]

Head to body delivery time > ___ seconds

A

60 seconds

OBGYN (33 decks)

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