CTG

Question 1

Baseline bradycardia

Answer 1

HR <100 bpm

Question 2

Causes of baseline bradycardia

Answer 2

Increased fetal vagal tone

Maternal beta blocker use

Question 3

Baseline tachycardia

Answer 3

HR >160 bpm

Question 4

Baseline tachycardia cause

Answer 4

Maternal pyrexia
Chorioamnionitis
Hypoxia
Prematurity

Question 5

Loss of baseline variability

Answer 5

<5 bpm

Question 6

Loss of baseline variability cause

Answer 6

Prematurity

Hypoxia

Question 7

Early deceleration

Answer 7

Deceleration of heart rate which commences w/ the onset of a contraction + returns to normal on completion of contraction

Question 8

Early deceleration cause

Answer 8

Innocuous

Head compression

Question 9

Late deceleration

Answer 9

Deceleration of heart rate which lags the onset of contraction and doesn’t return to normal until 30 secs following end of contraction

Question 10

Late deceleration cause

Answer 10

Fetal distress
Asphyxia
Placental insufficiency

Question 11

Variable decelerations

Answer 11

Independent of contractions

Question 12

Variable decelerations cause

Answer 12

Cord compression