my bf was just diagnosed bipolar

I am new to this site and want to say hello first and foremost. HELLO! My name is Kit and I suffer from social anxiety and panic disorder. My boy friend has just been diagnosed bipolar. We have been dating since December and this has been his 3rd manic episode since. His parents have now intervened and have sent him to a psych hosp. and are not letting him leave.
I am completely ignorant to bipolar disorder and am scared and confused. I mentioned this is his 3rd episode and so far the worst I have experienced with him. He takes on a completely different personality, one which he has made a name for, and pushes me as far away as possible. He says the meanest things and blames all his actions when in this state on me to his friends and family. This has alienated me from them as they think the root of his disorder is my fault.
It's truly hard not to feel like I had a part in his mania.
He is taking a medication now and everyday he sounds more and more like the man I fell in love with, but by the end of our conversations he seems to be getting 'worked' up. I just don't know what to do.
Does anyone have any advice with relationships and bipolar? I am so very tired and scared.

Thanks all

It is natural for you to feel confused and frightened. The best thing you can do is to take care of yourself during this difficult time. If you're seeing a therapist you may want to discuss the problem with him or her. If you're not seeing someone now might be a good time to start.
I have bipolar disorder and was only diagnosed 8 years ago - (I'm 51 y.o.). Before I started dealing with my illness I put my family through a lot of grief. I was very unkind to my wife to the point where she said go to therapy or else. Hopefully as your boyfriend seeks treatment he will come to see the way he's hurt you and others and be able to rebuild relationships that have suffered due to his illness.

Thank you very much. I think that is my first priorty today. I haven't been in therepy since I was a teen (I'm now 28) and I think I need to go back. I have been putting on what I call my 'strong suit' for weeks now and I'm just dead tired.
I have been reading a lot of blogs and articles on bipolar mania and bipolar disorder and they all trail off to that horrible stage where someone writes "In the end, it just couldn't work out between us" I don't want to give up. I can't give up on him and it's daunting reading some of the experiences others have been thru. I suppose I am just scared.
Therepy is key, I am learning this

(EDIT) He is also using his mania in his art. This is hurtful as well. www.patrickdaly.biz I just want to see him again! They said he might get to come home tomorrow but I think it's just pipedream! I'm hurt and tired and just want everything back to the way it was. . . I am whining now, ugh, distasteful! If you look at his art site, you'll understand