A 28-year-old woman develops a postural headache two days af…

A 28-year-old woman develops a postural headache two days after spinal anaesthesia for caesarean section. The headache worsens when she sits up and improves when she lies flat. Conservative management with hydration and simple analgesics fails after 48 hours. What is the most appropriate next step?

A 58-year-old man with a short neck and limited mouth openin…

A 58-year-old man with a short neck and limited mouth opening undergoes elective laparoscopic cholecystectomy. After two failed intubation attempts, a laryngeal mask airway is inserted but fails to establish a patent airway. Mask ventilation is also unsuccessful. Oxygen saturation continues to fall rapidly. Which piece of equipment should be used next?