1. What are the indications for a lumbar sympathectomy?
2. How would you perform this procedure?
3. What are the contraindications to a lumbar sympathectomy?
4. What substances would you inject and at what doses?
5. What strength of alcohol might you use?
6. What do you understand by the term 'total intravenous anaesthesia'?
7. What sort of patients would be suitable for such a technique, and for what sort of procedures?
8. Which agents would you use?
9. What is the half-life of propofol?
10. What are its advantages and disadvantages?