This links through to a website which can help decide on whether revascularisation is appropriate. I am currently trialling this to see how helpful it is in my everyday practice.

 

http://www.scai-qit.org

The calculator that I now recommend can be found here:

 

https://www.sealedenvelope.com/trials/pisa/

 

It is excellent, and provides an estimate of the risk of obstrcutive CAD and the prognosis.