antepartum haemorrhage Flashcards

1
Q

what are the divisions or causes of antepartum haemorrhage ?

A

obstreitics causes
local gynaecological causes
general or systematic causes

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2
Q

what is placenta praevia ?

A

a placenta that is encroaching on the lower uterine segment

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3
Q

what are the risk factors for placenta praevia ?

A
previous placenta praevia 
previous Caesarian section
multiple pregnancies 
advanced maternal age 
smoking 
deficient endometrium
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4
Q

what are the clinical signs related to PP ?

A

general condition of the patient is proportionate to the amount of bleeding
anemia
signs of hypovolemic shock

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5
Q

what are the findings on abdominal examination in cases of PP ?

A

the abdomen and the uterus are lax and not tender

fundal level corresponds to the period of amenorrhea

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6
Q

when can we perform a PV examination on a patient who is suspected to have PP ?

A

PV exam is contraindicated until PP is excluded , as this could cause placental seperation

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7
Q

what investigations should be performed in women who are suspected of having PP ?

A

FCBC and blood typing
urea and electrolytes
liver function test
Ultrasound scan

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8
Q

when should follow up for patients with PP be performed ?

A

32 weeks once

then confirm at 36 weeks

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9
Q

what fetal investigations should be performed ?

A

FHR by CTG

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10
Q

at what gestational age should planned delivery occur in cases of PP ?

A

late preterm ( between n34 and 36 weeks )

for women with uncomplicated placenta praevia delivery should be considered between 36 and 37 weeks of gestation

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11
Q

what are the indications for CS in placenta praevia ?

A

total, partial or marginal posterior types of PP
severe bleeding or a shocked patient
bleeding and a closed cervix
fetal distress due to severe bleeding

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12
Q

what is placenta accreta ?

A

a spectrum of disorders where the placenta grows too deeply into the uterine wall, of which there are types

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13
Q

what are the different types of placenta accreta ?

A

placenta accreta , too deep into the uterus
placenta increta , too deep into myometrium
placenta percreta , extension to nearby organs

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14
Q

what are the risk factors for placenta accreta ?

A

previous and multiple caesarian sections
previous placenta accreta
repeated endometrial curettage

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15
Q

what is placental abruption ?

A

it is bleeding from the genital tract after 20 weeks of gestation due to premature seperation of a normally situated placenta

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16
Q

what are the types of placental abruption ?

A

revealed
concealed
concealed and revealed

17
Q

what are the risk factors for placental abruption ?

A

two previous pregnancies complicated by abruption
pre-eclampsia
trauma
frist trimesteric bleeding
maternal thrombophilia, non-vertex presentation

18
Q

on nexamination what will be evident in a woman suffering from placental abruption ?

A

on abdominal palpation :
the tense or woody feel to the uterus on abdominal palpation indicated a significant abruption
may also reveal uterine contractions

19
Q

what investigations should be performed in women presenting with APH due to placental abruption ?

A

CBC
coagulation screening
cross matching to get appropriate blood bags
Ultrasound scan

20
Q

if fetal death is diagnosed what is the preferred method of delivery ?

A

vaginal birth

21
Q

what is vasa praevia ?

A

Vasa praevia is a condition in which fetal blood vessels cross or run near the internal opening of the uterus

22
Q

when should we suspect vasa praevia ?

A

when there is fetal distress, however the mother is in good condition and fetal RBCs are found on CBC

23
Q

how can we make an accurate diagnosis of vasa praevia ?

A

trans-abdominal ultrasound

trans-vaginal colour doppler imaging

24
Q

in asymptomatic women diagnosed with vasa praevia when should a planned delivery be performed ?

A

34-36 weeks

25
Q

when should administration of corticosteroids for fetal lung maturity happen ?

A

at 32 weeks

26
Q

should women presenting with APH who are RHD negative be given anti-D Ig ?

A

if rh negative then give anti d injection with every episode of bleeding but with an interval of 6 weeks apart

27
Q

what is the optimal mode of anesthesia for women who have experienced APH ?

A

regional anesthesia

28
Q

if a woman with APH presents with coagulopathy how should she be managed ?

A

suspicion of DIC here is high
clotting profile
platelet count 4 units of FFP and 10 units of cryoprecipitate should be given meanwhile