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Tutorial 5 August 2024

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5 August 2024.                                                         Role-players:  

 

17

Role-play. Candidate’s instructions will be emailed minutes before the tutorial

18

Structured conversation. Labour ward scenario 1

19

EMQ. Cystic fibrosis

20

EMQ. Arrive trial

 

17.   Role-play.

 

18.         Labour Ward Scenario 1.

Candidate’s instructions.

You are the registrar on duty and responsible for the labour and gynae wards. You have just had the handover. Your task is to discuss the overall management of the wards with the examiner, to prioritise the patients and decide the allocation of staff to care for them.

This station was written for the first tutorial I ran for the OSCE exam when it was introduced more than 20 years ago. There are phrases and concepts that reveal this distant origin, but I have retained them for nostalgic reasons. I ran the tutorial on a Sunday afternoon when I was on-call and used what was happening on the labour and gynae wards that day. You won’t be asked about gynae patients in a labour ward station!

Labour Ward. Sunday 13.00 hours.

1

Mrs JH

Primigravida. T+8. In labour. 6 cms.

2

Mrs AH

Primigravida at T. In labour. 5 cms.

3

Mrs. BH

Para 2. 30 days post-delivery. 2ry. PPH > 1,000 ml. Hb. 9.3.

4

Mrs SB

Primigravida. 32/52 gestation. Admitted 30 minutes ago. Abdominal pain + 200 ml. bleeding. Nephrostomy tube in situ - not draining since this morning. Low placenta on 20 week scan.

5

Mrs KW

Para 1. In labour. Cx. 5 cm. Ceph at spines.

6

Mrs KT

Para 0+1. 38 weeks. SROM. Ceph 2 cm. above spines. Clear liquor.

7

Mrs TB

Para 1. T+4. Clinically big baby. Cx fully dilated for 1 hour. Early decelerations.

8

Mrs RJ

Primigravida. Epidural. RIF pain. Cx fully dilated for 1 hour. Shallow late decelerations. OT position. Distressed ++. BP /105. ++ protein. Urine output 50 ml in past 4 hours.

9

Mrs KC

Transfer from ICU. 13 days after delivery of 32 week twins. Laparotomy on day 7 for pelvic pain and fever. Infected endometriotic cyst removed. IV antibiotics changed to oral.

Gynaecology ward.

8 major post-operative cases who have been seen on the morning ward round and are stable. The husband of a patient who had Wertheim's hysterectomy on the Friday was asking to see a doctor for a report on the operation.

1

Mrs JB

10 week incomplete miscarriage. Hb. 10.8. Moderate fresh bleeding.

2

Ms AS

19 years old. Nulliparous. Just admitted with left iliac fossa pain. Scan shows unilocular 5 cm. ovarian cyst.

Medical staff:

Consultant at home. Registrar - you.

Senior House Officer with 12 months experience.

Registrar in Anaesthesia.

Consultant Anaesthetist on call at home.

Midwifery staff:

Senior Sister.     Trained to take theatre cases. Able to site IV infusions and suture episiotomies and tears.

3 staff midwives. 1 trained to take theatre cases. Two able to site IV infusions.

1 Community midwife looking after Mrs. KW.

2 Pupil Midwives.

 

19.         Cystic fibrosis. EMQ. Questions.

There is no option list to make you behave in a model fashion – best technique is to decide the correct answer before looking at the option list.

Scenario 1. A woman is 8 weeks pregnant and a carrier of CF. Her husband is Caucasian. What is the risk of the child having CF?

Scenario 2. A healthy woman attends for pre-pregnancy counselling. Her brother has CF. Her husband is Caucasian and has a negative CF screen. What is the risk of them having a child with CF?

Scenario 3. A healthy woman is a carrier of CF. She attends for pre-pregnancy counselling. Her husband has CF. What is the risk of them having a child with CF?

Scenario 4. A healthy woman attends for pre-pregnancy counselling. Her sister has had a child with CF. What is her risk of being a carrier?

Scenario 5. A woman attends for pre-pregnancy counselling. Her mother has CF.

What is the risk that she is a carrier?

Scenario 6 . A woman attends for pre-pregnancy counselling. Her mother has CF.

The partner’s risk of being a carrier is 1 in X. What is the risk that she will have a child with CF?

Scenario 7. A healthy Caucasian woman is 10 weeks pregnant. Her husband is a carrier of CF. Which test would you arrange?

Scenario 8. A woman attends for pre-pregnancy counselling. She has read about diagnosing CF using cffDNA from maternal blood. Is it possible to test for CF in this way?

Scenario 9. A woman and her husband are carriers of CF. What is the risk of an affected child?

Scenario 10. A woman and her husband are carriers of CF. What can they do to reduce the risk of having an affected child?

Scenario 11. A woman and her husband are carriers of CF. Can CVS exclude an affected pregnancy?

Scenario 12. A woman has CF, her husband is a carrier. What is their risk of an affected child?

Scenario 13. A woman with CF delivers a baby at term. She has been advised not to breastfeed because her breast milk will be protein-deficient due to malabsorption. Is this advice correct?

Scenario 14. A woman with CF delivers a baby at term. She has been advised not to breastfeed because her breast milk will contain abnormally low levels of sodium. Is this advice correct?

TOG CPD. 2009. 11. 1. Cystic fibrosis and pregnancy. These are open access so are produced here.

Regarding cystic fibrosis,

1.     there are approximately 8000 people living with this disease in the UK.                     True / False

2.     the main cause of death is liver disease.                                                                      True / False

Women with cystic fibrosis

3.     have an approximately 50% reduced fertility.                                                             True / False

4.     have a life expectancy of approximately 50 years.                                                     True / False

With regard to pregnancy in women with cystic fibrosis,

5.     their babies usually have an appropriate birthweight for their gestational age.      True / False

6.     approximately 70% of babies are born prematurely.                                                True / False

7.     the risk of developing gestational diabetes is higher than in the general population.              True / False

8.     the risk of miscarriage is higher than in the general population.                            True / False

9.     the risk of congenital malformations is similar to that in women who are carriers.             True / False

Women with cystic fibrosis who become pregnant,

10.   have a shortened life expectancy compared with women who do not.                    True / False

If a woman with cystic fibrosis becomes pregnant, the risk of the baby being born with cystic fibrosis

11.   is 50% if the father carries one of the common gene mutations for cystic fibrosis.         True / False

12.   is < 1 in 250 if the father does not carry any of the common CF mutations.                              True / False

During pregnancy, a woman with cystic fibrosis

13.   should be cared for by a multidisciplinary team, including a physician and an obstetrician with a special interest in CF in pregnancy.                                                                                         True / False

14.   should have a GTT if she did not have CF-related diabetes prior to pregnancy. True / False

In pregnant women with cystic fibrosis,

15.   the instrumental delivery rate is approximately 40%.                                               True / False

16.   the use of epidural analgesia during delivery is contraindicated.                            True / False

17.   the risk of poor pregnancy outcome increases if the FEV1 is < 70%.                     True / False

Post- delivery in women with cystic fibrosis

18.   breastfeeding is contraindicated because of the high sodium content of breast milk.         True / False

Which of the following statements about cystic fibrosis are correct?

19.   Menarche in girls with CF occurs at the same time as in unaffected girls.                          True / False

20.   Fertility in women with CF is affected to the same extent as it is in men with CF.      True / False

 

20.   ARRIVE Trial. EMQ.

Abbreviations.

EBL:    estimated blood loss.

IOL:    induction of labour.

Question 1.   What does the acronym ‘ARRIVE’ mean?

Option list.

A

a randomised review of intravenous ergometrine for the prevention of PPH

B

a randomised review of IVF efficacy

C

a retrospective review of IVF efficacy

D

a randomised review of IOL at term versus expectant management of high-risk pregnancy

E

a randomised review of IOL at 39 weeks versus expectant management of high-risk pregnancy

F

a randomised trial of IOL at term versus expectant management of low-risk pregnancy

G

a randomised trial of IOL at 39 weeks versus expectant management of low-risk pregnancy

H

none of the above

Question 2.   What was the primary outcome of the trial?

A

C section and instrumental delivery rates versus the spontaneous delivery rate

B

cost-effectiveness of IVF

C

composite outcome of perinatal death or severe neonatal complications

D

estimated blood loss using low-dose ergometrine versus oxytocin for the 3rd. stage

E

frequency and severity of perineal trauma

F

length of labour

G

maternal satisfaction

H

urinary incontinence severity score at 3 months postpartum

I

none of the above

Question 3.   Which, if any, of the following were the important conclusions of the trial?

A

C section and instrumental delivery rates were significantly ↓ with IOL at 39/52

B

C section rate but not instrumental delivery rate was significantly ↓with IOL at 39/52

C

instrumental delivery rate but not C section rate was significantly ↓ with IOL at 39/52

D

C section and instrumental delivery rates were significantly ↑ with IOL at 39/52

E

C section rate but not instrumental delivery rate was significantly ↑ with IOL at 39/52

F

instrumental delivery rate but not C section rate was significantly ↑ with IOL at 39/52

G

C section and instrumental delivery rates were unchanged

H

IVF was cost-effective

I

IVF was not cost-effective

J

composite perinatal outcome was better with IOL

K

composite perinatal outcome was unchanged with IOL

L

composite perinatal outcome was worse with IOL

M

EBL using low-dose ergometrine versus oxytocin for the 3rd. stage was ↓↓

N

EBL using low-dose ergometrine versus oxytocin for the 3rd. stage was ↓↓ but with ↑↑ BP

O

frequency and severity of perineal trauma ↑ with IOL

P

length of labour was ↑↑ with IOL

Q

maternal satisfaction was higher with IOL

R

urinary incontinence at 3 months was reduced by IOL

S

none of the above

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