PP hemorrhage is characterized by blood loss greater than _____ for vaginal delivery and
greater than ______ for c-section - correct answer ✔✔1. 500 mL
2. 1000 mL
lab value that characterize PP hemorrhage - correct answer ✔✔10% decrease in Hgb and Hct
from baseline
how to calculate 10% value for blood loss - correct answer ✔✔baseline value x 0.1 = #
baseline - # = value of 10% decrease
when does PP hemorrhage typically occur - correct answer ✔✔within first 24 hours
what are the causes of PP hemorrhage (4) - correct answer ✔✔the 4 T's
1. tone weak (atony)
2. tissue retained
3. trauma
4. thrombin
what are the risk factors for weak uterine tone (8) - correct answer ✔✔1. over distended uterus
2. placenta previa
3. precipitous labor
4. dysfunctional labor
5 retained placental fragments
6. infection
7. medications
,8. distended bladder
what could cause over distended uterus (4) - correct answer ✔✔1. multiple gestation
2. fetal macrasomia
3. hydramnios
4. fetal anomalies
what is precipitous labor - correct answer ✔✔labor less than 3 hours
what medications could cause uterine atony (3) - correct answer ✔✔1. magnesium sulfate
2. oxytocin with prolonged labor (20+ hours)
3. anesthesia
what is the most common cause of uterine atony - correct answer ✔✔distended bladder
retained placental fragments can lead to - correct answer ✔✔subinvolution
what can cause subinvolution (3) - correct answer ✔✔1. excessive and early maternal activity
2. uterine myoma/fibroids
3. infection
Subinvolution - correct answer ✔✔failure of uterus to return to non-pregnant state
risk factors for trauma (4) - correct answer ✔✔1. lacerations
2. hematoma
3. inversion
, 4. uterine rupture
what can cause hematomas (5) - correct answer ✔✔1. episiotomy
2. assisted vaginal delivery
3. nulliparity
4. precipitous labor
5. prolonged labor
what is the sign of a hematoma - correct answer ✔✔unilateral swelling
what causes increased risk of inversion - correct answer ✔✔abdominal surgery
risk factors for thrombin (3) - correct answer ✔✔1. Idiopathic thrombo purpura
2. von willebrand disease
3. DIC
what is idiopathic thrombo purpura - correct answer ✔✔autoimmune disorder of increase
platelet destruction
What is von Willebrand disease? - correct answer ✔✔congenital bleeding disorder
what is DIC - correct answer ✔✔depletion of platelets and coagulation factors
what is DIC related to (7) - correct answer ✔✔1. placental abruption
2. amniotic fluid embolism
3. IUFD