Obstetric Hemorrhage, Cardio, Pulmo Flashcards Preview

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Flashcards in Obstetric Hemorrhage, Cardio, Pulmo Deck (42):
1

Happens when there is premature separation of a normally implanted placenta

Abruptio placenta

2

Immediate event that can cause hemorrhage and subsequent abruptio placenta

Preeclampsia

3

This dangerous drug can cause vasoconstriction with resultant placental separation

Cocaine

4

Virchow's triad in placental abruption

VIA
Vaginal bleeding
Increased uterine tone
Abdominal pain

5

Diagnostic test for abruptio placenta where you put a blood sample in a test tube and positive if a clot forms within 6 minutes or forms and lyses within 30 minutes

Clot observation test

6

Most common obstetric cause of DIC

abruptio placenta

7

This intervention can be diagnostic and therapeutic in abruptio placenta

Amniotomy

8

What is the boundary threshold for a low lying placenta?

2cm

9

Most common pathophysiology of placenta previa

Defective decidual vascularization

10

Management of placenta accreta

Classical CS, hysterectomy

11

Septic abortion and chorioamnionitis are associated with what coagulation pathway?

Intrinsic pathway (endothelial damage)

12

Abruptio, amniotic fluid embolism, retained dead fetus and saline induced abortion is associated with what coagulation pathway?

Extrinsic

13

Syndrome characterized by widespread systemic activation of coagulation

DIC

14

The combination of nifedipine snd what other tocolytic agent can cause dangerous neuromuscular blockade?

Magnesium sulfate

15

Only well accepted risk factor of gestational hypertension

Primiparity

16

Classic presentation of placenta previa

Painless vaginal bleeding

17

Management of placenta previa is the placental edge is >2cm from os

Trial of labor

18

Management of placenta previa is the placental edge is <2cm from os

Vaginal delivery if possible

19

Classification of placenta accreta if it invades the myometrium

Increta

20

Classification of placenta accreta if it penetrates the myometrium and through the serosa

Percreta

21

2 most important risk factors in placenta accreta

Placenta previa
Prior CS

22

Hypertension without proteinuria occurring after 20 weeks AOG and BP returns to normal levels 12 weeks postpartum

Gestational hypertension

23

BP 140/90 prior to pregnancy or before 20 weeks AOG and persists 12 weeks postpartum

Chronic hypertension

24

What is the underlying etiology of proteinuria is seen with preeclampsia?

Increased capillary permeability

25

Renal change that occur in gestational hypertension

Glomerular endotheliosis

26

Mechanism in preeclampsia is placental implantation with replacement of ________ endothelium with trophoblasts

Spiral arteriole

27

Prevention of preeclampsia syndrome

High dose calcium
Low dose aspirin

28

Management of severe preeclampsia if >34 weeks

Expectant

29

Management of severe preeclampsia if <23 weeks

Terminate pregnancy

30

Management of severe preeclampsia if 23-32 weeks

Steroids
Anti HTN if needed
Deliver at 32-34 weeks

31

Known fetal side effect of hydralazine

Thrombocytopenia

32

Drug of choice for severe hypertension in pregnancy

Hydralazine

33

Drug of choice for gestational/chronic hypertension in pregnancy

Methyldopa

34

Side effect of labetalol

Fetal growth restriction

35

What is the target magnesium level in eclampsia prophylaxis?

4.8-8.4 mg/dl

36

Drug of choice for prevention of convulsions in severe preeclampsia

Magnesium sulfate

37

Preferred mode of delivery for cardiovascular disorders

Vaginal
Epidural anesthesia

38

For patients with congenital heart disease, what is the most common adverse event encountered in pregnancy?

Arrhythmia

39

Most common etiology of CAP in pregnancy

Strep pneumoniae

40

Most frequent complication of pneumonia in pregnancy

PROM

41

Initial monotherapy for CAP

Macrolides

42

Fetal response to maternal hypoxemia

Decreased CO