Chapter 058 Anemia and Polycythemia (Part 1) pps

... of response depends on the severity of the anemia and the nature of the underlying disease process. Chapter 058. Anemia and Polycythemia (Part 1) Cytoplasmic maturation defects result ... of anemia. If the iron-deficiency anemia is mild to moderate, erythroid marrow proliferation is decreased and the anemia is classified as hypoproliferative. However, if the a...

Ngày tải lên: 07/07/2014, 01:20

... erythropoiesis , and its key elements are illustrated in Fig. 58-1. Figure 58-1 Chapter 058. Anemia and Polycythemia (Part 1) Harrison's Internal Medicine > Chapter 58. Anemia and Polycythemia ... Harrison's Internal Medicine > Chapter 58. Anemia and Polycythemia Anemia and Polycythemia: Introduction Hematopoiesis and the Physio...

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... different levels of anemia, erythroid cells are released from the marrow prematurely. Most patients come to clinical attention with hematocrits in Chapter 058. Anemia and Polycythemia (Part 7) Table ... applied to a patient with anemia and a very high reticulocyte count to provide a true index of effective red cell production. Patients with severe chronic hemolytic an...

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... Chapter 058. Anemia and Polycythemia (Part 2) Figure 58-2 fatigue, loss of stamina, breathlessness, and tachycardia (particularly with physical exertion). ... hypotension, and tachycardia appear (Chap. 1 01). Such patients have significant deficits in vital organ perfusion and require immediate volume replacement. With acute hemolytic disease, the signs and ......

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... Chapter 058. Anemia and Polycythemia (Part 3) Approach to the Patient: Anemia The evaluation of the patient with anemia requires a careful history and physical examination. ... important, and clinical laboratories often provide a description of both the red and white cells, a white cell differential count, and the platelet count. In patients with severe anemia...

Ngày tải lên: 07/07/2014, 01:20

... bull's-eye appearance and are seen in thalassemia and in liver disease. (From Hillman et al.) Figure 58-9 Severe iron-deficiency anemia. Microcytic and hypochromic red cells smaller than the ... lymphocyte and well hemoglobinized. Often macrocytes are oval-shaped (macroovalocytes). Figure 58-6 Figure 58-7 Target cells. Target cells have a bull's-eye appearan...

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... classification of anemia, the patient's reticulocyte count is compared with the expected reticulocyte response. In general, if the EPO and erythroid marrow responses to moderate anemia [hemoglobin ... increases to two to three times normal within 10 days following the onset of anemia. In the face of established anemia, a reticulocyte response less than two to three times normal...

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... details of these tests and how they are applied in individual disorders, see Chaps. 98, 99, 100, 101, and 102. Definition and Classification of Anemia Initial Classification of Anemia The functional ... classification of anemia has three major categories. These are: (1) marrow production defects (hypoproliferation), (2) red cell maturation defects (ineffective erythropoiesi...

Ngày tải lên: 07/07/2014, 01:20

... deficiency, or inadequate EPO stimulation. The last may reflect impaired renal Chapter 058. Anemia and Polycythemia (Part 9) Figure 58-17 function, suppression of EPO production by inflammatory ... hypoproliferative anemia include the serum iron and iron-binding capacity, evaluation of renal and thyroid function, a marrow biopsy or aspirate to detect marrow damage...

Ngày tải lên: 07/07/2014, 01:20

... Budd-Chiari syndrome with hepatic Chapter 058. Anemia and Polycythemia (Part 11) Anemia: Treatment An overriding principle is to initiate treatment of mild to moderate anemia only when a specific ... respective chapters (sickle cell anemia, Chap. 99; hemolytic anemias, Chap. 101; aplastic anemia and myelodysplasia, Chap. 102). Therapeutic options for the treatment...

Ngày tải lên: 07/07/2014, 01:20