15 - Obs - Obs Emergencies - Shoulder dystocia Flashcards
When additional ? req after normal downward ? has failed to deliver ? after head. 1/??? delivs, req ? and skilled help. ? traction on neck damages ?
plexus (-> waiters tip/? palsy), permanent in ?%. Delay/unskilled attempts can be ? even down to 5mins
manouveurs traction shoulders 200 urgent excessive brachial Erbs 50 lethal
Risk Factors and Prevention
Primarily a risk of a ? baby, but only >?kg in 50% cases. Antenatal predictions of ? is poor. Other factors: prev ? ?, incr ???, labour ?, low ?, maternal ?? and ? delivery. Prevention inv ? ?. Most cases unpreventable.
large 4 size shoulder dystocia BMI induction height DM instrumental C/s
MGMT
? and ? intervention. ?
downward traction, legs ? into abdomen (? position), ? pressure applied. Works in ?% cases. If fails, ? manoeuvres req, necessitating ?.
rapid skilled gentle hyperextended mcroberts suprapubic 90% internal episiotomy
MGMT
Last resorts: ? after lateral replacement of ? w metal catheter, and ? manoeuvre – replacement of the ? and then ? ?, ? damage usually irreversible.
symphysiotomy urethra zavanelli head C/s fetal