Complete Blood Count

CBC Complete Blood Count

Why one needs Complete Blood Count (CBC)?
Complete Blood Count  test gives important information about the kind and the number of cells in your blood. Physicians use this information to evaluate symptoms, help diagnose conditions and treat certain illnesses (like infections).
What does CBC (Complete Blood Count) Include test includes?
A complete blood count (CBC) test can give you a clearer picture of your overall heath. It’s a way to detect blood disorders such as leukemia, anemia, blood clotting problems as well as many other problems.
  • White Blood Cell Count
  • White Blood Cell Differential
  • Red Blood Cell Count
  • Red Blood Cell Density
  • Hemoglobin Levels
  • Blood Platelet Count
White Blood Cell Count (WBC count): White blood cells (WBCs) are the major infection-fighting cells, but are also involved in immune system responses to foreign bodies and tissues such as allergens and tumors. The WBC count measures the total number of WBCs present in the blood. A high WBC count is typically seen in response to a sudden onset of infection, trauma, or inflammation. Far less common conditions resulting in an elevation of WBCs include leukemia, lymphoma or other types of cancer. A low WBC count can arise in bone marrow failure (as occurs with radiation therapy or chemotherapy), overwhelming infections, or the presence of a substance resulting in cell destruction (e.g., drugs, heavy metals, or poison). A low WBC count is also seen in diseases of the immune system or autoimmune disease (e.g., systemic lupus erythematosus).
Red Blood Cell Count (RBC count): The red blood cell count (RBC) indicates the total number of red blood cells in the blood. An abnormally high RBC count may be associated with cardiovascular disease, polycythemia vera, tobacco abuse, renal cell carcinoma, high altitude, or dehydration. An abnormally low count may indicate anemia, hemorrhage, bone marrow disease or chronic renal failure.
Red Cell Distribution Width (RDW): Red cell distribution width (RDW) measures the variability in size of the red blood cell population. When used in conjunction with mean corpuscular volume (MCV), this test is useful in diagnosing a variety of conditions.
Hemoglobin Levels: Hemoglobin (Hb) is an iron-containing protein that enables red blood cells to carry oxygen from the lungs to body tissues. Without enough hemoglobin, the tissues lack oxygen and the heart and lungs must work harder to try to compensate. Low levels of hemoglobin may indicate anemia, excessive bleeding, nutritional deficiencies, destruction of cells because of a transfusion reaction or mechanical heart valve, or abnormally formed hemoglobin such as is found in sickle cell anemia. A high hemoglobin may be caused by polycythemia vera, a disease in which too many red blood cells are made. Hemoglobin levels also help determine if a person needs a blood transfusion.
Blood Platelet Count: Platelets are a type of blood cell involved in the blood clotting process. When a blood vessel is damaged, platelets clump together and help to initiate clotting. Low platelet levels can be seen with hemorrhage, hypersplenism, leukemia and cancer chemotherapy, infection, disseminated intravascular coagulation and systemic lupus erythematosus. Increased platelet counts can be seen with some cancers, iron deficiency anemia, rheumatoid arthritis and postsplenectomy syndrome.
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