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Specialties Calculators

Specialties Calculators

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Gas Cookbook is a quick reference for UK healthcare professionals. Recipes are example plans and calculators reproduce published formulas; check every dose against the BNF and your local protocols and adapt to the patient in front of you. Our liability is limited as set out in the Terms; nothing excludes liability that cannot be excluded by law. Read the full disclaimer.

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Gas Cookbook | Trial of Forceps

Trial of Forceps

Trial of Forceps

Regional · 1 h

Anaesthetic as for LSCS - Block to T4 as potential to convert to LSCS
3-way octopus to cannula (Fluid + Phenylephrine infusion + Spare port)

either

NeuraxialSpinal

0.5% bupivacaine + 8% glucose2.4 ml

diamorphine0.3 mg

or

NeuraxialEpidural Top-Up

2% Lidocaine + 1:200,000 Adrenaline15-20ml

or

0.5% Bupivacaine15-20ml

Start phenylephrine100mcg/ml, 20ml/hr once spinal is administered

2 ml bolus to clear deadspace
Target normotension

Monitoring

NIBP 1-2 min cycles initially
ECG
Pulse oximetry

Infusions

phenylephrineTitrate to effect

Antibiotics as per surgical team

Prescriptions

Paracetamol1g, QDS
Ibuprofen400mg, TDS
Dihydrocodeine30mg, QDS PRN
Ondansetron4-8mg

Details

Specialty: Obstetrics
Author: Gas Cookbook
Procedure: Combined Spinal Epidural Epidural Spinal
Updated: Jun 2026

Example plan written by a clinician, not medical advice. Check every dose against the BNF and your local protocols and adapt to the patient in front of you. You remain responsible for every clinical decision. Disclaimer · Report an error

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Elective LSCS (Single Shot Spinal)Obstetrics · Regional · Spinal · 1 h
Elective LSCS (Combined Spinal Epidural)Obstetrics · Regional · Combined Spinal Epidural · 1 h