And of course if you want a test of some kind in a hurry, you can pay for that from a private hospital, and if it indicates you need medical treatment have that through the NHS on the basis of that test.

As I write earlier, I'm really puzzled by why people who haven't some financial stake in the present US system should be frightened of a change to something which could give them far more security, and in practice, far more choice as well.   

But I suppose it's largely a matter of rigid ideology.