Week 4 part 3 Flashcards
When does bleeding in early pregnancy occur?
less than 24 weeks
Bleeding from the genital tract after 24 weeks gestation?
Antepartum haemorrhage
Are preeclampsia and hypertension risk factors for placental abruption?
Yes
Name a cause of couvelaire uterus?
Placental abruption
Uterine tenderness/wooden hard?
Placental abruption
Sudden-onset abdominal pain, vaginal bleeding, and uterine tenderness. Also abnormally freuqent contractions and uterine hypertonus?
Abruption
Placenta is partially or totally implanted in lower uterine segment?
Placenta previa
Painless, ‘causeless’ recurrent 3rd trimester bleeding? Uterus is soft and non tender
Placenta previa
How do you diagnose placenta oprevuia?
Ultrasound (20 week scan) - do not perform vaginal exam until you exclude it
Placenta invades myometrium?
Placenta accreta - percreta (placenta has reached serosa). Associated with sever ebleeding, PPH and may end up with hysterectomy
With placenta praevia - if ther has been prior bleeding in pregnancy or suspected/confirmed placenta accreta how is baby delivered?
Caesarea section at 37 weeks
With placenta preavia are steroids given?
Yes - promote fetal lung surfactant production (e.g. betamethasone)
Greater than 500ml blood loss post partum?
PPH
4 t’S OF pph?
Tone - 70%
Trauma - 20%
Tissue -10%
Thrombin - <1%
What is the initial management of PPH?
- Uterine massage
- 5 units IV syntocinon stat
- 40 units syntocinon in 500ml Hartmanns
Management of persistent PPH
Catheter
500microg ergometrine IV
Deepest layer of pelvic floor?
Pelvic diaphragm
What two muscle groups make up pelvic diapgrahm?
Levator ani
+
Coccygeus
Forms most of pelvic diaphragm?
Levator ani
What are three muscles making up levator ani/
- Iliococcygeus
- Pubococcygeus
- Puborectalis
Name 4 pelvic ligaments?
- Uterosacral
- Transverse cervical
- Lateral ligament of bladder
- Lateral rectal ligaments