CTG changes Flashcards
1
Q
Base line bradycardia <100 bpm
A
Increased foetal vagal tone and maternal beta blocker use
2
Q
Baseline tachycardia >160 bpm
A
Maternal pyrexia/infection , hypoxia, prematurity
3
Q
Loss of baseline variability <5 bpm
A
Prematurity/ hypoxia
4
Q
Early deceleration
A
Head compression (such as in labour)
5
Q
Late deceleration
A
Indicates fetal distress (asphyxia or placental insufficiency)
6
Q
Variable decelerations
A
Indicates cord compression
7
Q
Non reassuring features
A
Brady or tachycardia, variable decels
8
Q
Abnormal features
A
<100 or >180 bpm, sinusoidal wave oattern, late decels or variable in over 50% of contractions
