Obstetrics Flashcards
Management for hyperemesis gravidarum in the community
Oral promethazine / cyclizine
Ondansetron (inc risk of cleft palate tho)
Management for hyperemesdis gravidarum on admission
IM anti sickness - e.g. promethazine
Fluids - NaCL 0.9%, add KCl, thiamine and folic acid to prevent Wernicke’s
Risk factors for hyperemesis gravidarum
Multiple pregnancies
Trophoblastic disease
Hyperthyroid
Nulliparity
Obesity
Preeclampsia
Caused by placental dysfunction (so babies often small)
Presentation:
- New onset HTN (after 20 weeks) - more than 140/90
- Proteinuria
- Organ involvement - e.g. renal insufficiency, liver dysfunction
- Oedema
- Visual changes, headache
Investigations:
- BP
- FBCs, U+Es, LFTs
- Urine
- ?CTG
- ?Growth scan
Management:
- Oral labetalol
- If 160/110 - admit for obs inc catheter. May consider IV antihypertensives, magnesium sulphate, delivery of baby.
High risk factors for preeclampsia
- Personal history
- CKD
- SLE
- Diabetes
- HTN
Moderate risk factors for preeclampsia
- First pregnancy
- Age 40+
- 10 years since last preg
- BMI - 35+
- FH
- Multiple pregnancy
Who gets aspirin during pregnancy for preeclampsia prophylaxis
- If any high risk factors
- If 2 moderate risk factors
Take from 12 weeks - near delivery
HELLP Syndrome
Haemolysis
Elevated liver enzymes
Low platelets
Presentation:
- Nausea and vomiting
- RUQ pain
- Lethargy
Investigations:
- FBC, LFTs
- Clotting
- G&S
Management:
- Delivery
Causes of PPH
Tone - uterine atony (most common)
Trauma - tears
Tissue - retained placenta
Thrombin - clotting/bleeding disorder
Definition of PPH
more than 500ml of blood loss after vaginal delivery (or 1000ml after C section) within 24hrs
Risk factors of PPH
Previous PPH
Prolonged labour
Preeclampsia
Older age
Polyhydramnios
Emergency C-section
Placenta praevia, acreta
Macrosomia
General causes of female infertility and how to assess
- Ovulation problem - e.g. hypothalamic, PCOS - measure serum progesterone, LH, FSH, US ovaries to count follicles
- Tubal cause - e.g. PID, endometriosis, adhesions - contrast US
- Uterine - e.g. adhesions, fibroids - hysteroscopy
- Unexplained
Placenta praevia
Low lying placenta
Presentation:
- Painless bleeding
- May be shocked
Investigation:
- TVUS - if picked up at 20wks, scan again at 32wks and grade it - keep scanning every 2 weeks. On the final scan at 36/37 weeks - decide how to deliver.
Management:
- grades 3/4 - elective C-section at 37/38 wks - and if labour before then, it’ll be emergency
Risk factors for placenta praevia
Multiparity
Multiple pregnancy
Previous c-section
Risk factors for gestational diabetes
BMI of more than 30
Previous macrosmia
Previous gestational diabetes
1st degree relative with diabetes