Question: I have recently heard of a test using a Vibrometer. Does anyone have any  information on it and if it is available in Australia?

Answer 1: This is probably the research carried out by Jane Greening and Bruce Lynn at UCL in London, which used a Vibrometer (or a test based on it.) Here is a re-post of the abstract from their paper:

Answer 2: University College Hospital in London have recently published research on this topic