I am 22 yrs old and need a change!?

I am a 22 yr old girl who is extremely bored and finding Devon a real drag!!! I have plans to go to university in sept 2011 and possibly travel for a few months before this. However from now until then seems an awful long time! I am interested in moving to London to experience a different side to life! I am currently working as a band 2/3 Health Care istant with venopuncture and cannulation skills on an Emergency unit. I need advice on whether it would be difficult to find vacancies like this in London and where I could look for jobs! Many Thanks :-)