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17 Cards in this Set
- Front
- Back
normal fetal HR range
|
110-160
|
|
moderate tachycardia range
|
161-180
|
|
moderate bradycardia range
|
100-110
|
|
2 fetal causes of baseline tachycardia
|
moderate hypoxia
prematurity |
|
3 maternal causes of baseline tachycardia
|
fever
thyrotoxicosis drugs |
|
3 causes of baseline bradycardia
|
severe asphyxia
arrhythmia drugs |
|
long-term variations occur at ___ per ___
|
3--5
minute |
|
4 factors which reduce baseline variability
|
hypoxia
sleep prematurity drugs |
|
2 drugs which reduce baseline variability
|
MO
meperidine |
|
early decelerations are normal/abnormallate decelerations are normal/abnormal
|
normal
abnormal |
|
late decelerations are caused by ___
|
hypoxemia
|
|
late decelerations are associated with ___ (3)
|
pregnancy-induced HTN (PIH)
DM IUGR |
|
variable decelerations are caused by ___
|
cord compression
|
|
variable decelerations are associated with ___
|
oligohydramnios
|
|
variable deceleration is severe if ___ (2)
|
drop of 60 or more
rate of 60 bpm for 60s |
|
prolonged deceleration is drop of ___ for at least ___
|
30 bpm
2 mins |
|
5 causes of prolonged deceleration
|
abruption
cord prolapse maternal hypotension epidural uterine hypertonia |