Anaes SAQs · Neuraxial anaesthesia
Spinal (intrathecal) anaesthesia — physiology and complications
Final-viva question on spinal anaesthesia: the anatomy of the neuraxial approach, the pharmacology of hyperbaric bupivacaine, the determinants of block height, the sympathetic-block hypotension and its vasopressor prophylaxis, the intrathecal adjuvants, and the complications (PDPH, high spinal, haematoma).
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Prompt
Describe the physiology of spinal anaesthesia, the determinants of block height, and the prevention and management of its complications.
Question
Describe the physiology of spinal anaesthesia, the determinants of block height, and the prevention and management of its complications[1][4].
References4ShowHide
- [1]Sserunkuuma B, et al. Prevalence, factors associated, and adverse maternal outcomes of spinal induced hypotension. BMC Anesthesiol, 2026.PMID 42363034
- [2]Chen W, et al. Norepinephrine versus colloid for preventing spinal anesthesia-induced hypotension. BMC Pregnancy Childbirth, 2026.PMID 42324510
- [3]Sierra S, et al. Beyond Post-Dural Puncture Headache: Differential Diagnosis and Complications Following Labor Epidural Analgesia. Pain Med, 2026.PMID 42308533
- [4]Wan JX, et al. Comparing the efficacy and safety of unilateral versus bilateral spinal anesthesia. Ann Med, 2026.PMID 42314657