But you could ask for a scan, as Jen also suggested, or even a simple ultrasound, to see what in the world is going on in your abdomen in general. Also, if you
want to really get in deep, you can
get a referral to a larger hospital in a university setting, those docs are the top guys, and have your records forwarded to them for a complete new workup.
By the way, I think you had a ruptured eardrum, which usually heals on its own, but it can cause the nosebleeds you had.