APH

Question 1

What % of pregnancies are complicated by APH

Answer 1

3-5%

Question 2

Regarding APH

Classify minor, major and massive

Answer 2

Minor <50ml
Major 50-1000ml
Massive > 1000ml &/or signs of shock

Question 3

Regarding twins and invasive testing

What % occur in low risk pregnancies

Answer 3

70%

Question 4

What is the risk of recurrence with prev Hx of abruption

1x

2x

Answer 4

4.4% if 1 previous

19-25% if 2 previous

Question 5

What is the risk of placenta praevia with 1x previous LSCS

Answer 5

1%

Background risk 0.5%

Question 6

What is the risk of placenta praevia with 2x previous LSCS

Answer 6

2%

Background risk 0.5%

Question 7

What is the risk of placenta praevia with 3x previous LSCS

Answer 7

3%

Background risk 0.5%

Question 8

Regarding abruption

What proportion are detected by USS

Answer 8

1/4

Therefore 3/4 not detected - high specificity low sensitivity

Question 9

Regarding APH

When should you deliver

Answer 9

Immediately if maternal or fetal compromise

> 37 weeks if minor or greater APH

Question 10

Regarding APH

When should intermittent auscultation rather than continuous CTG be used

Answer 10

Single minor episode APH

No other concerns i.e. No FGR

Question 11

Regarding APH

How many ch fluid can be given until blood products available

Answer 11

3.5L

Question 12

Regarding APH

When and how much FFP should be given

Answer 12

four units FFP

For every 6 units of RBC
If APTT or PT > 1.5x mean control

Question 13

Regarding APH

When should platelets be given

Answer 13

If <75, in order to keep >50