Placental Abruption Flashcards Preview

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Flashcards in Placental Abruption Deck (10):
0

Concealed abruption?

Placental abruption in which bleeding occurs completely behind the placenta (no external bleeding)

1

Fetomaternal hemorrhage?

Fetal blood enters maternal circulation

2

Couvelaire uterus? Visible sign.

Bleeding into the myometrium of the uterus from placental abruption

Results in discolored (reddish) appearance to the uterine surface

3

Placental abruption: suggestive signs upon delivery? Post delivery?

Blood clot adhering to placenta

Uterine atony, postpartum hemorrhage

4

Coagulopathy in placental abruption secondary to? Not encountered unless?

Hypofibrinogenemia; level less than 150

5

Risk factors for placental abruption?

1. Hypertension
2. Drugs - Smoking, Cocaine
3. Short umbilical cord
4. Trauma (Motor vehicle accident)
5. Uterine problems - Uteroplacental insufficiency, Submucosal leiomyoma, Uterine decompression,
6. Preterm premature rupture of membranes

6

Clinical features that are suggestive of placental abruption?

1. Painful vaginal bleeding (homework)
2. Preterm labor
3. Stillbirth
4. Fetal heart rate abnormalities

7

Lab suggestive of placental abruption? Specific test?

Fetal erythrocytes in maternal blood

Kleihauer-Betke test – exploits difference in solubilities of normal and fetal hemoglobin to measure fetal erythrocytes in maternal blood

8

Management? Describe labor?

Delivery

Very rapid

9

Patients with placental abruption that are given fluids may manifest with what symptoms? Management?

1. Hypertension
2. Preeclampsia (Magnesium sulfate)