Evaluation, Treatment, and Training for Patients With Blood Disorders

This study is designed to allow the evaluation, follow-up, and medical care of patients with blood disorders not currently participating in a research study being conducted by the Hematology Branch of the National Heart, Lung and Blood Institute (NHLBI) or not being screened for participation in a study. The purpose of this study is to allow investigation into the blood disorders of patients in order to teach, learn, and gather more information about diseases of the blood. In addition, this study allows researchers the opportunity to evaluate patients referred to the Hematology Branch of the NHLBI with rare or undiagnosed diseases of the blood. This may be potentially beneficial to the patient and at the same time contribute to the development of new research ideas.