Guides, in the order you need them
Read the first group in the week before your operation. Come back to the others when you get to them.

Before surgery
Fasting before surgeryWhen to stop eating and drinking, with a calculator for your arrival time. Medicines before surgeryBlood thinners, diabetes medicines and insulin. GLP-1 medicinesOzempic, Wegovy, Mounjaro and similar have their own fasting plan. Assessment and consentWhat happens when you meet your anaesthetist.Information by operation
What your anaesthetic usually involves, and what to expect afterwards.
Two tools to use at home
Medicine timing planner
Enter your operation date and your medicines. You get a printable list of when to take your last dose of each one.
Open the plannerA general guide. Always follow the times your hospital gives you.
Pain relief plan
If Dr Halvey has given you a plan for your operation, open it with the code from your paperwork.
Find your planNo code? Your plan will be given to you on the ward.
Dr Ed Halvey
Specialist anaesthetist providing anaesthesia for adults having surgery at public and private hospitals in Perth, with particular interests in regional anaesthesia, perioperative medicine and acute pain management.
- Sir Charles Gairdner Hospital
- St John of God Subiaco
- Hollywood Private Hospital
- St John of God Midland
- Bethesda Hospital
You receive a written estimate before surgery, with any gap explained. How billing works


