MRCEM Notes

Placental abruption

Placental abruption describes separation of a normally sited placenta from the uterine wall, resulting in maternal haemorrhage into the intervening space

Epidemiology
  • occurs in approximately 1/200 pregnancies

Cause - not known but associated factors:
  • proteinuric hypertension
  • multiparity
  • maternal trauma
  • increasing maternal age

Clinical features
  • shock out of keeping with visible loss
  • pain constant
  • tender, tense uterus
  • normal lie and presentation
  • fetal heart: absent/distressed
  • coagulation problems
  • beware pre-eclampsia, DIC, anuria
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