Polycythemia, idiopathic thrombocytopenic purpura, and thrombotic thrombocytopenic purpura.

The responsibility of the intravenous nurse is increasing in the multidisciplinary management of patients with idiopathic thrombocytopenic purpura, thrombotic thrombocytopenic purpura, and polycythemia. A thorough understanding of these diseases and the treatment modalities is essential for quality patient care. Emphasis is placed on treatment considerations, including blood component administration, therapeutic phlebotomy, and pharmacologic agents.