Hi Mike Hope that Jack is feeling better. We have been having the same tyoe if problems with Alfie we have been to the vet and had all sorts of tests and everything comes back OK he has had about 4 episodes so far about 6 weeks apart and then he went 10 weeks without one and then bam!!! They think it may be epilepsy but dont want to put him on any medication right now , so I know how you feel...
it is so scary and you feel so helpless.I hope they can figure out what is going on with Jack, we are thinking of you.