Osce Topics Flashcards
Antenatal screening components
- Infections
- Maternal
- Genetics
Antenatal screening components
- Infections
1. BBVs
2. Syphilis
3. Asymptomatic bacturia - Maternal
1. Blood
2. PET risk
3. Psychiatry - Genetics
1. Downs
2. Anomalies
3. Neural tube
Ultrasound in pregnancy
- Calls
- NT
- Bowel
Ultrasound in pregnancy
- Calls
1. 11-13 - NT
1. Down’s
2. Heart
3. Abdominal wall - Bowel
1. CF
2. Down’s
3. CMV
SGA
- Definition
- Causes
- Mx
SGA
- Definition
1. <10th centile
2. Severe <3rd
- Causes
1. Constitutional (50-70%)
2. Placenta FGR (low BMI, substances, AI condition, renal, DM, HTN)
3. Non placenta FGR (chromosome, structure, metabolic, infection) - Mx
1. USS (AC and HC) - Fetal anatomical survey
2. UAD. (Uterine A. Doppler)
3. Karyotyping and infection screens
- Steroids
- Induction/C Section
Abnormal lie, position, presentation
- identification
- Mx and risks
Abnormal lie, proportion, presentation
- identification
1. Palpation
2. VE during labour - Mx
1. USS
- ECV
- 50-60%
- Fetal distress, PROM, APH, Rupture
- No recent APH, RoM, previous section, abnormalities
PROM and PPRoM
- Definitions
- Ix
- Mx
- Risks
PROM and PPRoM
- Definitions
1. PROM - At least 1 hour prior to labour - 15% of term
2. PPROM - Prior to 37 weeks - 2% pregnancies and 40% preterm
3. Chorion and amnion weakened - Enzymes, Infections, Genetics
- Ix
1. Amnisure (PaMg1)
2. Actim-Prom (IGF BP 1)
3. HVS (GBS) - Mx
1. 36+ - Induce
2. 34 - steroids +/- Induce
3. 34 - favour gestation - Risks
1. Infection (chorioamnionitis)
2. Oligohydramnios (lungs)
3. Cord prolapse
4. Abruption
5. Neonatal death (prem, sepsis, lungs)
VBAC
- Risks (2)
- Benefits (4)
- Mx (5)
VBAC
- Risks
1. Uterine rupture (0.5%)
2. Anal sphincter injury (5%) - Benefits
1. Shorter stay
2. Lower maternal risk
3. Increased future VBAC
4. Lower transient tachypnoea - Mx
1. Hospital setting
2. Continuous CTG
3. Mechanical induction (not prostaglandins)
4. Senior input
5. Only prior to 39 weeks
Multiple pregnancy
- Incidence
- ANC
- Birth mx
Multiple pregnancy
- Incidence
1. 1/60
2. Older mothers, fertility treatment - ANC
1. Consultant lead
2. Care plan
3. Additional visits and growth scans
4. Fetal medicine input - Birth
1. VD (usually induced) - 1/3 end up CS
2. CS - Monoamniotic or 3+
3. Cannula and epidural
4. Timing - 37 DCDA
- 36 MCDA
- 35 triplet
- 34 MCMA
Gestational diabetes
- Incidence
- Risks
- Ix
- Mx
Gestational diabetes
- Incidence
1. 1/5 - Risks
1. Macrosomia - dystocia, delayed labour, instrumental delivery
2. Organomegaly - cardiomegaly
3. Polycythaemia
4. Polyhydramnios
5. Prematurity - Ix
1. OGTT (5678)
2. 2+ glucosuria (1+ x2) - Mx
0. Consultant led, GS at 28,32,36
1. Lifestyle
- Metformin
- Glibenclamide (SU)
- Insulin
- Deliver at 37-38
- PP fasting glucose 6-13 weeks
- OGTT subsequent pregnancies
GBS colonisation
- Incidence
- Mx
GBS colonisation
- Incidence
1. 25% of pregnant women
2. 0.05% of neonates (5% mortality) - Mx
1. High dose IV pen - Benpen
( - Cefuroxime
- Clindamycin)
Hyperemesis Gravidarum
- Incidence and timing
- Ix
- Mx
Hyperemesis Gravidarum (HG)
- Incidence
1. 3% of women
2. Starts 4-7 weeks peaking 9th
3. Settles by 20 in 90% - Ix
1. Weight
2. Urine dip and CBG
3. FBC, U&Es, LFTs
4. TFTs
5. ABG - Mx
1. Mild - Hydration, diet, oral antiemetics
- Moderate
- Ambulatory care
- IV fluids, IV antiemetics, Pabrinex - Severe
- IV hydration
- Cyclizine (H1)
- Prochlorperazine (D2), promethazine (H1), chlorpromazine (H1, D2, M1)
PET
- Incidence
- Complications
- Ix
- Mx
PET
- Incidence
1. 5% - Complications
1. HELLP
2. Eclampsia
3. AKI
4. DIC, ARDS, CVA, Death - Ix
0. BP
1. Urine dip, 24hr urine
2. FBC
3. U&E, LFT - Mx
1. Labetalol - not asthma, HpoT, N&V
2. Nifedipine - oedema, flushing, dizzy, constipated
3. Methyldopa - Drowsy, headache, GI, oedema, brady
Epilepsy in pregnancy
- Risks
- Mx
Epilepsy in pregnancy
- Risks
1. Small but significant increase in obstetric risk
2. Haemorrhagic disease of the newborn (Vit K deficiency) - Mx
1. 5mg/day folate
2. Lowest possible AED dose (not valproate)
3. Good sleep and reduced stress
4. Growth scans for SGA
5. 1mg IM vitamin K
6. Consider long acting benzo if high risk for peripartum seizure
Asthma in pregnancy
- Incidence
- Mx
Asthma in pregnancy
- Incidence
1. 10% of pregnant women
2. 1/3 worsening control - Mx
1. No risks of inhaled CSTs or LABA
2. Theophylline safe in pregnancy
3. Continuous CTG in acute exacerbation
4. Caution with Ergometrine, oxytocin, and Prostaglandin
Obstetric cholestasis
- Incidence
- Risks
- Ix
- Mx
Obstetric cholestasis
- Incidence
1. 1%
2. South Asian higher - Risks
1. Raised PET
2. Raised GDM
3. Stillbirth if 100micromol/L - Ix
1. LFTs (ALT)
2. Random total bile acid (19micromol/L) - Repeat at 1 week
3. LFTs after birth - Mx
1. Topical emollients
2. Chlorphenamine
(3. Ursodeoxycholic acid)
4. 38-39 weeks induction
5. 35 wk induction if 100 micromol/L
VTE in Pregnancy
- Prevalence
- Prevention
- Mx
VTE in Pregnancy
- Prevalence
1. 1/3 maternal deaths
2. 4-5x increased risk
3. Highest risk postpartum - Prevention
0. 4RFs inT1-2, 3 rfs in T3, 2rfs pp
1. LMWH (Clexane) - Mx
0. Bloods and coag
1. Duplex USS
2. LMWH until 6-12wk pp
3. UFH used at term
Miscarriage
- Definition
- Incidences
- Ix
- Mx
Miscarriage
- Definition
1. Loss up to 24 wks
2. Early (12-13)
3. Late (13-24) - Incidences
1. 20-25% - Ix
1. Obs
2. Abdo
3. Speculum
4. Bimanual
5. TVUSS - Mx
1. Expectant
- Medical (misoprostol)
- Surgical (ERCP)
Miscarriage
- Abx
- Anti-D Requirements
Miscarriage
- Anti-D Requirements
- Threatened >12 weeks
- Anti-D if negative - Inevitable >12 weeks
- Anti-D if negative - Missed/Incomplete/complete >12 weeks
- Anti-D if negative - Septic
- IV fluids and ABx
- Anti-D if negative >12 weeks
Breastfeeding contraindications
- CVS x2
- Endo x2
- Psych X 2
- Imm x 2
- ID x4
Breastfeeding contraindications
- CVS x2
1. Amiodarone
2. Aspirin - Endo x2
1. Sulphonureas
2. Carbimazole - Psych X 2
1. Lithium
2. Benzos - Imm x 2
1. Methotrexate
2. Cytotoxic - ID x4
1. Cipro
2. Tetro
3. Chloramphenicol
4. Sulphonamides
Ectopic
- Incidence
- Ix
- Mx
Ectopic
- Incidence
1. 1/85
2. Commonly ampulla & isthmus - Ix
1. B-HCG (1500iU)
2. Pelvic USS
3. Urine dip - Mx
0. Stabilise
- Expectant
- HCG - Medical (<1500, stable, unruptured, no heartbeat)
- IM methotrexate
- monitor HCG - Surgical (>5000, >34mm, heartbeat)
- Lap salpingectomy/otomy
Pregnancy of Unknown Location (PUL)
- Definitions
- Ix
Pregnancy of Unknown Location (PUL)
- Definitions
1. Very early IU pregnancy
2. Miscarriage
3. Ectopic - Ix
1. B-HCG (1500)
2. Urine dip
Endometriosis
- Incidence
- Ix
- Mx
Endometriosis
- Incidence
1. ~10%
2. Mostly diagnosed 25-40 - Ix
- USS
- Laparoscopy
- Mx
1. Pain - NSAIDs/ladder
2. Anovulation - COCP/PoP/Mirena
3. Surgery - Excision, fulguration, ablation
Ovarian cysts
- Incidence
- Ix
- Mx
Ovarian cysts
- Incidence
1. Ovarian ca - 2% of cancers, common over 65
2. BRCA1 (45%), BRCA2, Lynch - Ix
1. USS
2. Under 40 - LDH, AFP, hCG
3. P-M women - CA125
- Mx
- Rescan cysts in 6 weeks
- Laparoscopic cystectomy
- Bilateral oophorectomy
+ hysterectomy, omentum, lymph
+ Staging laparotomy
Heavy menstrual bleeding
- Incidence
- Ix
- Mx
Heavy menstrual bleeding
- Incidence
1. 3%
2. 40-51 most likely
3. 50% AUB
4. PALM COEIN - Ix
1. b-HCG
2. Bloods - FBC,TFTs, Coag,
3. USS pelvis
4. HVS
5. Hysteroscopy +-Pipelle - Mx
1. LNG-IUS
2. Tranexamic acid, mefanamic acid, COCP
3. PoP, Depo, Implant
- Surgery
- Ablation
- Hysterectomy (subtotal/total)
Dysmenorrhoea
- DDx
- Ix
- Mx
Dysmenorrhoea
- DDx
1. Endometriosis
2. Adenomyosis
3. PID
4. Adhesions
5. Non-gynae - Ix
1. HVS
2. TVS
3. Lap - Mx
1. NSAIDs
2. COCP
3. LNG-IUS
- Heat/hot water bottle
- TENS
Urinary incontinence
- Ix
- Stress Mx
- Urge Mx
Urinary incontinence
- Ix
1. Frequency/volume charts
2. Urodynamic studies (for stress surgery) - Stress Mx
1. Lifestyle
2. Pelvic floor
3. Duloxetine
4. Colposuspension - Urge Mx
1. Lifestyle
2. Bladder retraining
3. Mirabegron - (Anticholinergics
-oxybutynin/solifenacin/tolterodine)
4. Oestrogens/botox
5. Sacral nerve stimulation
Pelvic organ prolapse
- Incidence
- Types
- Staging
- Mx
Pelvic organ prolapse
- Incidence
1. 1/10 over 50 - Types
1. Anterior wall (cystocele)
2. Posterior wall (rectocele/enterocele)
3. Uterine (complete - procidentia)
4. Vault prolapse (post hysterectomy) - Staging
- Mx
1. Lifestyle - weight, constipation, lifting
2. Physio - pelvic floor
- Support pessaries
- Surgeries
- Pelvic floor repair
- Vaginal hysterectomy
- Sacrocolpopexy/sacrospinous fixation
Cervical screening
- Components
- Grades
- Colposcopy
Cervical screening
- Components
1. HPV screening
2. Liquid based cytology (LBC) - dyskaryosis
- Grades
1. Low-grade, borderline, high grade - Colposcopy
1. Acetic acid
2. LLETZ - Large loop excisions of T Zone
3. Cone biopsy - Under GA
C Section
- Anaesthetics
- Incisions
- Layers
- Placenta
C Section
- Anaesthetics
1. FBC
2. H2 antagonist (Ranitidine)
3. VTE prophylaxis
- Epidural/spinal (GA in some Cat 1)
- Left lateral tilt (15º)
- Foley’s catheter
- Incisions
0. ABx
- Skin
- Pfannenstiel or Joel-Cohen - Camper’s fascia (superficial SC)
- Scarpa’s fascia (deep SC)
- Rectus sheath
- Rectus muscle
- Abdominal peritoneum
- Visceral peritoneum
- Uterine incision
- Placenta
1. Oxytocin
2. Controlled cord traction