Anemia is a deficiency of red blood cells (RBCs) or hemoglobin (Hb). The main diagnostic is a hemogram, a detailed analysis of a blood sample that examines not only the quantity of RBCs, WBCs, and platelets but also their size and color and the percentage of iron in them

Clinical signs and symptoms of anemia include fatigue, weakness, pale skin, and shortness of breath. Pathophysiology of anemia includes nutritional deficiencies, chronic diseases, genetic factors, and chronic bleeding

hemoglobin (Hb) — protein in red blood cells that is key to the transport of oxygen from the lungs to cells and tissues. hemogram — detailed analysis of a blood sample that examines not only the quantity of red blood cells, white blood cells, and platelets but also their size, color, and percentage of iron. main diagnostic — a hemogram, a detailed analysis of a blood sample that examines not only the quantity of RBCs, WBCs, and platelets but also their size and color and the percentage of iro. anemia — medical condition characterized by deficient production of red blood cells or of hemoglobin.