case bipolar disorder

What are the different types of bipolar disorder?
I'm not sure how the word of that, but I at least tried. I have curiosity I have heard that there are different types. What are the differences? Are there other a little more serious? Or is there different types? In that case, this issue is a waste of time.
Bipolar I, bipolar II, cyclothymia (sp?), NOS-I completely bipolar manic bipolar and severe depression, bipolar II major depression with hypomania, mania, not entirely. Cyclothymia, milder depression, hypomania, bipolar-bipolar unspecified Spesified ….. disorder sometimes called bipolar III ….. is when bipolar disorder is, of course, in nature, but not clean fit under the diagnostic criteria for one of the above. Bipolar is actually a spectrum of a single disorder and diagnosis is different to try to differentiate between severity among patients, and also to help with the course of treatment determaining These are the 4 listed in the DSM IV, which is the current guide for the diagnosis of diseases psyciatric.
A case of bipolar disorder