Numerooooooos Flashcards
Nuchal translucency sensitivity (alone)?
77%
Combined screening sensitivity
85-90%
What % of endometrial cancers are caused by Lynch syndrome?
3
Platelet count for epidural?
> 80
Platelet count for instrumental del?
> 50
Platelet count for vaginal delivery?
> 40
Target fasting blood glucose in diabetes inpregnancy?
<5.3mmol/L
Target BG in GDM
1 hour after meal
2 hours after meal
1h - <7.8
2h - <6.4
Chance of placental abruption after 1 previous?
4.4%
Chance of placental abruption after 2 previous abruptions?
20%
(19-25%)
Cat 2 EMCS in…
75 mins
Cat 1 EMCS in…
30mins
Parameters for DKA diagnosis?
Ketonaemia >3
Blood glucose >11.0
Bicarb <15
pH <7.3
Chance of GBS +ve if previously positive?
50%
Amylase/lipase levels in acute pancreatitis?
> 300u/L (>3x upper limit of normal)
Mortality rate peripartum cardiomyopathy?
10%
Recurrence rate OC?
45-90%
At what viral load is vaginal delivery contradindicated in HIV?
> 400 copies per ml
<50 at 36 weeks = safe for vaginal delivery
Background risk ovarian cancer?
1.3%
Risk of ovarian cancer in endometriosis?
2.5%
also increases risk of breast cancer and thyroid cancer
Risk of ovarian cancer if 1 family member affected?
4-5%
Proportion of ovarian cancers which are hereditary?
10%
(90% of these are due to BRCA 1/2)
BRCA1 breast cancer risk?
72%
BRCA1 ovarian cancer risk?
44%
Offer risk reducing salpingo-oophorectomy 35-40yo
BRCA2 breast cancer risk?
69%
BRCA2 ovarian cancer risk?
17%
Offer risk reducing salpingo-oophorectomy 40-45yo
Risk of endometrial cancer in PMB?
10%
Increased if T2DM/obesity
Blood volume 70kg pregnant woman?
7 litres
(60kg - 6 litres, 50kg - 5 litres)
Early neonatal death
0-7 days
Late neonatal death
7-28 days
PUQE index mild score?
<6
PUQE index moderate score?
7-12
PUQE index severe score?
13-15
Simplified POPQ rules, stage 1?
Leading edge above -1
Simplified POPQ rules, stage 2?
Leading edge between -1 and +1
Simplified POPQ rules, stage 3?
Leading edge 1-5cm
+1cm to TVL-2cm
Simplified POPQ rules, stage 4?
Leading edge >5cm
OR more than TVL-2cm
Simplified POPQ rules, stage 0?
-3cm
Aa, Ap, Ba, Bp = -3cm
Background risk NTDs
6 in 10,000 / 0.06%
Chance of neonatal lupus in SLE?
3%
Highly assoc with maternal anti-ro and anti-la ab
SB rates at 39 weeks?
1 in 200 / 0.5%
Lidocaine dosage (without adrenaline)
Max dose?
3mg/kg
200mg
Lidocaine dosage with adrenaline?
Max dose?
7mg/kg
500mg
Rate of adhesions following midline laparotomy?
50%
Rate of adhesions following low transverse incision?
23%
5 year survival rates for serous ovarian cancer
Stage 1
Stage 2
Stage 3
Stage 4
1 - 75%
2 - 50%
3 - 25%
4 - 10%
Incidence of 3rd and 4th degree tears in..
Overall incidence?
Primips?
Multips?
Overall incidence? 2.9%
Primips? 6.1%
Multips? 1.7%
Incidence of 3rd and 4th degree tears in..
Forceps?
Ventouse?
Forceps? 8-12%
Ventouse? 4-8%
Risk of PPH with physiological management of 3rd stage?
29 in 1000
Risk of PPH with active management of 3rd stage?
13 in 1000
Normal pCO2 on ABG?
35 – 45mmHg
Normal HCO3 on BAG?
22 – 26mmol/L
Pressures used for laparoscopy in pregnancy?
10-15mm/Hg