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Obg > Iugr > Flashcards

Iugr Flashcards

Def invgh mg

1
Q

Normal growth rate of fetus

A

14-15weeks - 5gm/day

20weeks -10gm/day

32-34weeks 30-35gm/day

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2
Q

Iugr

A

< 2sd

< 10percentile

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3
Q

Does smoking affect mat and fetal weight gain in preg

A

Not maternal

But affects fetal

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4
Q

Types of iugr

A

Early

Late

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5
Q

Which has bad prognosis in iugr

A

Type 1 /early

As the no of cells dec

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6
Q

Which has good prognosis among iugr

A

Late/type 2

No of cell normal

Size of cells is dec

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7
Q

What is the proportion of type 1 iugr

A

Symmetrical

All USG parameters are affected

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8
Q

Which is the first organ that is affected in type 2 iugr

A

Abdomen so AC is first one to dec

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9
Q

What is the type of proportion of type 2 iugr

A

Assymetrical

Except ac
All are normal

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10
Q

What is the index used for measurement in iugr

A

Ponderal index

Est fetal weight /FL ^3
/

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11
Q

What is ponderal index in type 1 iugr

A

Normal (symm)

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12
Q

What is ponderal index in type 2 iugr

A

Dec

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13
Q

Which is more common type of iugr

A

Type 2

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14
Q

Causes of type 1 iugr

A

Chr anomaly

Torch

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15
Q

Causes of type 2 iugr

A

Placental insufficiency

Pih

Chronic renal disease

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16
Q

Which parameter is chosen for gest age ist tri

Upto 14weeks

A

CRL

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17
Q

Which parameter is used for gest age tri (14_20 )

A

Bpd / HC

18
Q

Which parameter is used for gest agein 3 Rd tri

A

FL

19
Q

Best time for diagnosing gest age

A

First tri

20
Q

Best parameter out of all in det gestational age

A

Crl

21
Q

Single best measurement for gest age

A

Ac

22
Q

What are the clinical diag of gest age and also to check iugr

A

Sfh b/w 14_32 weeks inc by 1 cm/ week

Lag of 4cm iugr

Ac of mother at 30 weeks 30 inches

Inc by 1 inch / week

23
Q

Measurement of gest age / iugr in USG

Prereq

A

Ac should be in same plane as
Fetal stomach
U vein
Portal sinus

24
Q

What are the age independent ratios in measuring iugr

A

HC / ac

FL / AC

N 22%

Iugr type 2. >=23.5%

25
Q

Placental morphogy on iugr

A

4 grades start from 0

26
Q

Placental category on USG

Grade 0
Grade 1

A

Basal and chorionic plate smooth

Smooth indendations in chorionic plate
And few echogenic areas

27
Q

Placental category on USG
.
Grade 2
Grade 3

A

Echogenic areas+
Comma shaped indentations on chorionic plate

Dense echogenic areas
Distinc indendations on chorionic plate
Echo spared areas
Acoustic shadow

28
Q

Best way to detect iugr

A

Doppler

29
Q

Which grade before term means iugr

A

Grade 3

30
Q

So to see iugr what do you see in usg

A

Af
Placental changes
Middle cerebral a
Ductus venous Doppler

31
Q

First change is seen via

A

AFI+ umbilical a Doppler

32
Q

Middle cerebral a change

A

N s/d ratio inc

Iugr assym sd ratio dec

33
Q

3rd change and terminal event seen in

A

Ductus venous Doppler

34
Q

Changed in ductus venous doppler

A

First Dec blood in atrial systole

2nd absent flow in “

3rd reversal

4th reversal of atriaal systole and ventricular diastole

35
Q

Problems in iugr

A

Oligo

Cord compression

Resp distress

Meconium asp

Still birth

36
Q

Neonates with iugr features

A

Loose skin

Dec tone

Inc hmd

Inc ivh

Inc neonatal death

37
Q

Mgx of iugr

A

Nat biweekly

No need of supplements ca mg zn vit c e and high proteins in healthy mother

Left Lat position

38
Q

Def mgx of iugr

A

Depend on u a doppler

39
Q

If sd ratio is decreased mgx

A

Monitor and deliver at 37 weeks

40
Q

If uterine a Doppler is normal mgx of iugr

A

Continue nst biweekly

Admit and deliver at >= 38 weeks

Obg (6 decks)

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