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Definition of Bipolar I disorder

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Bipolar I disorder: The diagnosis of bipolar I disorder requires that the individual has at least one manic episode but does not require a history of major depression.

See also: Bipolar disorder.

Reviewed on 12/21/2018

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