Hi there. I can only imagine how traumatic it would be to have a panic attack and be taken to a hospital. It is definite that such an event would take a toll on your self confidence.
Next Steps
I can see that you find it distressing but talking to a professional can help. I would suggest talking to a psychotherapist or you can consult me for the same.
Health Tips
Try to find a trigger to your panic attacks and see a therapist for the same.