OK, first, it's a Holter monitor, named for Norman Holter, an experimental physicist.
Second, the fact that you haven't been called, while a tad rude, almost certainly indicates that your condition is not dangerous.
Third, even though you're suffering from anxiety, are fear and ignorance of test results ever helpful?
Fourth, are you--I hope to goodness--receiving treatment for your anxiety? This can be helped a lot with therapy.