1. Make sure you get the name of the patient and their relation to the task. This will also give you their expected level of understanding etc. I didnt have time to write exact tasks down maybe one or two words, just remember the rough structure of the task.
2. I rarely shake hands in practice and never in my CASC stations.
3. You have to listen in the first few minutes, guiding them and exploring cues - this is one and the same as doing the task.
4. Sit with confidence looking interested in the patient. If you are that self concious you will not be concentrating on the task.
5. It is very important to have a good command of English. Try to spend as much time as possible on this. On the plus side you generally need only a few questions for most stations if you are doing well, so prepare them in advance during revision if needed.