MRCOG part 2 * > Numerooooooos > Flashcards

Numerooooooos Flashcards

(61 cards)

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1
Q

Nuchal translucency sensitivity (alone)?

A

77%

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2
Q

Combined screening sensitivity

A

85-90%

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3
Q

What % of endometrial cancers are caused by Lynch syndrome?

A

3

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4
Q

Platelet count for epidural?

A

> 80

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5
Q

Platelet count for instrumental del?

A

> 50

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6
Q

Platelet count for vaginal delivery?

A

> 40

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7
Q

Target fasting blood glucose in diabetes inpregnancy?

A

<5.3mmol/L

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8
Q

Target BG in GDM
1 hour after meal
2 hours after meal

A

1h - <7.8
2h - <6.4

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9
Q

Chance of placental abruption after 1 previous?

A

4.4%

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10
Q

Chance of placental abruption after 2 previous abruptions?

A

20%

(19-25%)

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11
Q

Cat 2 EMCS in…

A

75 mins

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12
Q

Cat 1 EMCS in…

A

30mins

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13
Q

Parameters for DKA diagnosis?

A

Ketonaemia >3
Blood glucose >11.0
Bicarb <15
pH <7.3

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14
Q

Chance of GBS +ve if previously positive?

A

50%

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15
Q

Mortality rate peripartum cardiomyopathy?

A

10%

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16
Q

Recurrence rate OC?

A

45-90%

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17
Q

At what viral load is vaginal delivery contradindicated in HIV?

A

> 400 copies per ml
<50 at 36 weeks = safe for vaginal delivery

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18
Q

Background risk ovarian cancer?

A

1.3%

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19
Q

Risk of ovarian cancer in endometriosis?

A

2.5%
also increases risk of breast cancer and thyroid cancer

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20
Q

Risk of ovarian cancer if 1 family member affected?

A

4-5%

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21
Q

Proportion of ovarian cancers which are hereditary?

A

10%
(90% of these are due to BRCA 1/2)

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22
Q

BRCA1 breast cancer risk?

A

72%

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23
Q

BRCA1 ovarian cancer risk?

A

44%
Offer risk reducing salpingo-oophorectomy 35-40yo

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24
Q

BRCA2 breast cancer risk?

A

69%

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25
BRCA2 ovarian cancer risk?
17% Offer risk reducing salpingo-oophorectomy 40-45yo
26
Risk of endometrial cancer in PMB?
10% Increased if T2DM/obesity
27
Blood volume 70kg pregnant woman?
7 litres (60kg - 6 litres, 50kg - 5 litres)
28
Early neonatal death
0-7 days
29
Late neonatal death
7-28 days
30
PUQE index mild score?
<6
31
PUQE index moderate score?
7-12
32
PUQE index severe score?
13-15
33
Simplified POPQ rules, stage 1?
Leading edge above -1
34
Simplified POPQ rules, stage 2?
Leading edge between -1 and +1
35
Simplified POPQ rules, stage 3?
Leading edge 1-5cm +1cm to TVL-2cm
36
Simplified POPQ rules, stage 4?
Leading edge >5cm OR more than TVL-2cm
37
Simplified POPQ rules, stage 0?
-3cm Aa, Ap, Ba, Bp = -3cm
38
Background risk NTDs
6 in 10,000 / 0.06%
39
Chance of neonatal lupus in SLE?
3% Highly assoc with maternal anti-ro and anti-la ab
40
SB rates at 39 weeks?
1 in 200 / 0.5%
41
Lidocaine dosage (without adrenaline) Max dose?
3mg/kg 200mg
42
Lidocaine dosage with adrenaline? Max dose?
7mg/kg 500mg
43
Rate of adhesions following midline laparotomy?
50%
44
Rate of adhesions following low transverse incision?
23%
45
5 year survival rates for serous ovarian cancer Stage 1 Stage 2 Stage 3 Stage 4
1 - 75% 2 - 50% 3 - 25% 4 - 10%
46
Incidence of 3rd and 4th degree tears in.. Overall incidence? Primips? Multips?
Overall incidence? 2.9% Primips? 6.1% Multips? 1.7%
47
Incidence of 3rd and 4th degree tears in.. Forceps? Ventouse?
Forceps? 8-12% Ventouse? 4-8%
48
Risk of PPH with physiological management of 3rd stage?
29 in 1000
49
Risk of PPH with active management of 3rd stage?
13 in 1000
50
Normal pCO2 on ABG?
35 – 45mmHg
51
Normal HCO3 on ABG?
22 – 26mmol/L
52
Pressures used for laparoscopy in pregnancy?
10-15mm/Hg
53
Delivery timing in OC for bile acids = <40 SB risk?
40-41w SB risk is same as background risk
54
Delivery timing in OC for bile acids = 40-99 SB risk ?
38-39w SB risk is same as background risk, but appears to increase at 38-39w
55
Delivery timing in OC for bile acids of 100+ SB risk ?
35-36 weeks SB risk = 3.5%
56
National UK SB rate?
0.29%
57
Risk of endometrial hyperplasia without atypia progressing to endometrial cancer?
less than 5% over 20 years
58
Risk of developing endometrial cancer in atypical hyperplasia?
8% in 4 years 12% in 9 years 27.5% after 19 years. Atypical hyperplasia has also been associated with a rate of concomitant carcinoma of up to 43% in women undergoing hysterectomy
59
What proportion of women with atypical endometrial hyperplasia are found to have concomitant endometrial ca at hysterectomy?
Up to 43%
60
Lichen sclerosis malignant change risk?
5%
61
Lichen planus malignant change risk?
1-3%
MRCOG part 2 *
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