OBGYN quiz 2 Flashcards
(137 cards)
What is the main cause for late bleeding in pregnancy?
Placenta previa
pregnant patient presents in the 2nd trimester with painless vaginal bleeding, specifically bright red blood in large volumes. What is on the top of your differential?
placenta previa
what is the greatest morbidity related to prematurity?
placenta previa
when is placenta previa most common?
2nd trimester
what is the term used to describe placental migration away from a C-section scar and invades deeper into maternal tissue?
Accreta
What is the term used to describe placental invasion into myometrium of the uterus; reaching to the outer serosa but not penetrating it?
Increta
Term for invasion of placenta transmurally through uterus and into bowel, causing perforation?
percreta
what is the diagnostic test of placenta previa?
Transvaginal US - to localize and assess the placenta
Management for a placenta previa with NO BLEEDING?
expectant management (no intercourse and no digital exams)
management for palcenta previa with BLEEDING
get blood type (Rh), may need tocolysis/steroids/amniocentesis/transfer
How long is a patient with placenta previa monitored before discharge?
72 hours of inpatient observation
what is the condition called where the placenta has separated or abruptly pulled away/
placental abruption
what would a MILD placental abruption look like?
unnoticed during pregnancy, seen when placenta is delivered (clot behind the placenta)
what would a MODERATE placental abruption look like?
SYMPTOMATIC (acute PAIN!), tender abdomen
what would a SEVERE placental abruption look like?
fetal demise w/ or without coagulopathy
what would the symptoms be for placental abruption?
ACUTE PAIN due to uterine distention from bleeding
pain varies from mild cramping to SEVERE cramping and back pain
True or false: in placental abruption, the pain is proportionate to the amount of blood lost
FALSE
pain is NOT proportionate to amount of blood loss
which imaging test could you do to assess placental abruption, and what would you see?
Transvaginal ultrasound -
retroplacental echolucency,
abnormal thickening of placenta
torn placental edge
Treatment placental abruption?
operative or vaginal delivery (if fetal demise, deliver vaginally)
Uterine rupture is MOST COMMONLY associated with a history of _____
previous c-section
other than hx previous c-section, what are the risk factors for uterine rupture?
inappropriate oxytocin use
trophoblastic neoplasia
uterine anatomical anomaly
What happens to the fetal heart rate in a patient with uterine rupture?
Sudden PLUMMET of fetal HR
What is “stair step”, and where is it seen?
decrease or cessation of contractions, seen in uterine rupture
What is the treatment for asymptomatic uterine rupture?
expectant management