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Question 1

Fetal tachycardia >160 causes

Answer 1

Maternal fever (eg, intraamniotic infection)
Medication side effect (eg, beta agonists)
Fetal hyperthyroidism
Fetal tachyarrhythmia

Question 2

Fetal bradycardia <110

Answer 2

Maternal hypothermia
Medication side effect ( eg, beta blockers)
Fetal hypothyroidism
Fetal heart block (eg, anti-Ro/SSA, anti-La/SSB)

Question 3

the most common cause (particularly during labor) is….. from ……

Answer 3

maternal fever
intraamniotic infection (IAI) (chorioamnionitis)

Question 4

IAI occurs due to polymicrobial vaginal bacteria ascending into the uterus during labor. Patients have

Answer 4

maternal fever 39 C (in the absence of
another clear cause),
leukocytosis (>15,000/mm3) ,
and/or purulent amniotic fluid.

Question 5

The risk of developing IAI increases as

Answer 5

labor progresses and after membrane rupture

Question 6

Treatment of IAI is with

Answer 6

antipyretic therapy,
broad-spectrum antibiotics,
delivery (eg, induction, augmentation) to prevent fetal morbidity (eg, sepsis, cerebral palsy) and mortality.

Question 7

Causes of abcent variability

Answer 7

CNS depressants (narcotics, alcohol, Ilicit drugs) Temporary fetal sleep
Prematurity
Fetal hypoxia