ST Case 9 – Variable decelerations
Summary
30 year old G 1 P 0, Gest.week 40+4. Normal pregnancy. SROM since 48 hours, admitted with contractions. IV AB starts.
- 12:00 Epidural sited, VE: Cx fully effaced, dilated 5 cm, vx -1. Clear liquor draining.
- 12:34 ST Analysis initiated. Oxytocin infusion in progress.
- 16:45 VE: Cx fully effaced, dilated 7 cm, vx at the spines.
- 17:30 Oxytocin infusion decreased due to overstimulation, 6 contractions/10 min.
- 19:00 VE:Cx dully dilated, vx +1. Waiting for the head to descend.
- 20:00 Acitve pushing starts.
- 20:22 SVD Babygirl. Birthweight 3 440 g. AS 8/9/10.
Cord gases
| pH | pCO2 | BE | |
| Artery | 7.21 | 9.1 | -7.1 |
| Vein | 7.26 | 5.7 | -5.4 |
The cord twice around the neck
Comment
In this case the ST Analysis gives good support desicion to not intervene.