TY - CHAP M1 - Book, Section TI - Anemia and Polycythemia A1 - Billet, Michael A1 - Hemphill, Robin R. A2 - Tintinalli, Judith E. A2 - Ma, O. John A2 - Yealy, Donald M. A2 - Meckler, Garth D. A2 - Stapczynski, J. Stephan A2 - Cline, David M. A2 - Thomas, Stephen H. Y1 - 2020 N1 - T2 - Tintinalli's Emergency Medicine: A Comprehensive Study Guide, 9e AB - Anemia is a common medical problem, affecting approximately one quarter of the world’s population, especially children, pregnant and premenopausal women, the elderly, and the chronically ill.1-4 Anemia is not so much a disease as a sign or symptom. There are three broad causes of anemia: (1) blood loss, (2) decreased red blood cell production, and (3) increased red blood cell (RBC) destruction. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/19 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1166812447 ER -