Revision - Obs 7 Flashcards

1
Q

What are the 2 key causes of sepsis in pregnancy?

A

1) chorioamnionitis

2) UTIs

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2
Q

What is a major risk factor for chorioamnionitis?

A

Preterm premature rupture of membranes

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3
Q

What is the mainstay of initial treatment of chorioamnionitis?

A

1) prompt delivery of foetus (via c-section if necessary)

2) administration of IV Abx

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4
Q

What type of anaesthesia is generally indicated in delivery in pregnant women with sepsis?

A

GA

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5
Q

What type of anaesthesia is avoided in pregnant women with sepsis?

A

Spinal

1) Septic vasodilated hypotensive patients may not tolerate the sympathetic block associated with spinal anaesthesia.

2) There may be associated coagulopathy or thrombocytopaenia.

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6
Q

When does early onset neonatal sepsis (EOS) occur?

A

Within 72 hours of birth

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7
Q

What are some RED FLAGS for neonatal sepsis?

A

1) Confirmed or suspected sepsis in the mother

2) Signs of shock

3) Seizures

4) Term baby needing mechanical ventilation

5) Respiratory distress starting more than 4 hours after birth

6) Presumed sepsis in another baby in a multiple pregnancy

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8
Q

1st line medical management of suspected or confirmed early onset neonatal sepsis?

A

1) IV benzylpenicillin with gentamicin

2) Add cefotaxime (IV) if there is microbiological evidence of Gram-negative infection

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9
Q

1st line medical management of late onset neonatal sepsis?

A

Flucloxacillin (or vancomycin) plus gentamicin (IV)

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10
Q

How often should CRP be checked following Abx management in neonatal sepsis?

A

1) Check the CRP again at 24 hours

2) Check the CRP again at 5 days if they are still on treatment

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11
Q

If meningitis is suspected in neonatal sepsis, what should be given?

A

Cefotaxime + amoxicillin

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12
Q

If necrotising enterocolitis (NEC) is suspected in neonatal sepsis, what should be given?

A

Metronidazole

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13
Q

Presentation of an amniotic fluid embolism?

A

Has features more similar to anaphylaxis than VTE.

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14
Q

What are the 2 key risk factors for amniotic fluid embolus?

A

1) increasing maternal age
2) IOL

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15
Q

Management of amniotic fluid embolism?

A

Supportive (no specific treatments).

Likely transferral to ICU

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16
Q

What is uterine rupture?

A

When the muscle layer (myometrium) of the uterus ruptures.

17
Q

What are the 2 main types of uterine rupture?

A

1) incomplete
2) complete

18
Q

What is an incomplete uterine rupture (or uterine dehiscence)?

A

Where the uterine serosa (perimetrium) overlying the uterus remains intact.

In this case, the uterine contents remain within the uterus.

19
Q

What is a complete uterine rupture?

A

The serosa ruptures along with the myometrium, and the contents of the uterus are released into the peritoneal cavity.

20
Q

What is the greatest risk factor for uterine rupture?

A

Previous c-section –> especially vertical incisions

21
Q

What are early foetal indicators for uterine rupture?

A

1) Changes in fetal heart rate pattern (such as recurrent or late decelerations)

2) Prolonged fetal bradycardia

22
Q

What is uterine inversion?

A

A rare complication of birth, where the fundus of the uterus drops down through the uterine cavity and cervix, turning the uterus inside out.

It is a life-threatening obstetric emergency.

23
Q

What are the 2 types of uterine inversion?

A

1) incomplete

2) complete

24
Q

What is an incomplete (partial) uterine inversion?

A

Where the fundus descends inside the uterus or vagina, but not as far as the introitus (opening of the vagina).

25
Q

What is a complete uterine inversion?

A

Involves the uterus descending through the vagina to the introitus.

26
Q

What may uterine inversion be the result of?

A

May be there result of pulling too hard on the umbilical cord during active management of the third stage of labour.

27
Q
A