Morbid Obesity Failed Neuraxial Plan — FRCA Final MCQ

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HardObstetric AnaesthesiaMorbid Obesity Failed Neuraxial PlanFRCA Final

BMI 52 parturient at 39 weeks, previous failed spinal. Most appropriate anaesthetic plan for elective CS?

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Correct answer: C — Early epidural catheter with USS-assisted landmarks

Morbid obesity + prior failed neuraxial: early epidural catheter. Allows incremental dosing for reliable block, ongoing anaesthesia if prolonged, avoids catastrophic GA risks. Ultrasound identifies midline and estimates depth. Single-shot spinal has higher failure rates.

Reference: OAA – 2023 – Guidelines: high-risk obstetric patients