Intrapartum FHR monitoring

Question 1

110-160 BPM averaged with 2/10min.

Answer 1

Baseline

Question 2

Irregularity of amplitude and frequency

• absent
• minimal (25)

Answer 2

Baseline Variability

Question 3

Abrupt increase of >15 BPM reaching peak in less than 30 sec. with a duration of 15 sec. to 2 min.

Answer 3

Acceleration in 32+ wk fetus

Question 4

Abrupt increase of >10 BPM reaching peak in less than 30 sec. with a duration of 10 sec. to 2 min.

Answer 4

Acceleration in

Question 5

Acceleration taking longer than 2 min to return to baseline.

Answer 5

Prolonged acceleration

Question 6

Acceleration lasting 10+ min.

Answer 6

Baseline change

Question 7

onset, nadir, and recovery are coincident with beginning, peak, and ending of contraction.

Answer 7

Early deceleration

Question 8

Nadir of the deceleration falls after the peak of the contraction.

Answer 8

Late deceleration

Question 9

gradual decrease of FHR from onset to nadir of 30 sec. or more is found in…

Answer 9

Early and Late deceleration

Question 10

abrupt decrease in FHR

Answer 10

onset to nadir

Question 11

abrupt decrease of 15+ BPM of 15 sec. to 2 min. duration.

Answer 11

variable decelerations

Question 12

decrease of 15 BPM for 2 - 10 min.

Answer 12

prolonged deceleration

Question 13

sine wave-like undulating pattern of 3-5 cycles per min. persisting 20+ min.

Answer 13

sinusoidal pattern