I had one of those tests last year, but no one told me I would be “emitting radiation”.
Did the just hook you up to an EKG or did the take some images of your blood flow? Not all stress tests are nuclear.
I had one too. They told me to not hug my kids for 24 hours. I don’t recall receiving an ID, though.
If you had gone to an airport, it would have been detected immediately. They have very very sensitive sensors all over the nation nowadays.