Siamak T. Nabili, MD, MPH
Dr. Nabili received his undergraduate degree from the University of California, San Diego (UCSD), majoring in chemistry and biochemistry. He then completed his graduate degree at the University of California, Los Angeles (UCLA). His graduate training included a specialized fellowship in public health where his research focused on environmental health and health-care delivery and management.
William C. Shiel Jr., MD, FACP, FACR
Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.
In this Article
- Anemia facts*
- What is anemia?
- What causes anemia?
- Can inadequate iron cause anemia?
- What about acute (sudden) blood loss as a cause of anemia?
- What are other causes of anemia?
- Can anemia be hereditary?
- What are the symptoms of anemia?
- How is anemia diagnosed?
- What is a complete blood cell (CBC) count?
- How is blood collected for a complete blood cell (CBC)?
- What is the red blood cell (RBC) count?
- What is hemoglobin?
- What does a low hemoglobin level mean?
- What is the hematocrit?
- How is hematocrit determined?
- How is anemia treated?
- What are the complications of anemia?
- What is the outlook (prognosis) for anemia?
- Blood and Bleeding Disorders FAQs
- Find a local Hematologist in your town
How is anemia diagnosed?
Anemia is usually detected, or at least confirmed, by a complete blood cell (CBC) count. A CBC test may be ordered by a physician as a part of routine general checkup and screening or based on clinical signs and symptoms that may suggest anemia or other blood abnormalities.
What is a complete blood cell (CBC) count?
Traditionally, CBC analysis was performed by a physician or a laboratory technician by viewing a glass slide prepared from a blood sample under a microscope. Today, much of this work is often automated and done by machines. Six component measurements make up a CBC test:
- Red blood cell (RBC) count
- White blood cell (WBC) count
- Differential blood count (the "diff")
- Platelet count
Only the first three of these tests -- the red blood cell (RBC) count, the hematocrit, and the hemoglobin -- are relevant to the diagnosis of anemia.
Additionally, mean corpuscular volume (MCV) is also often reported in a CBC, which basically measures the average volume of red blood cells in a blood sample. This is important in distinguishing the causes of anemia. Units of MCV are reported in femtoliters, a fraction of one millionth of a liter.
Other useful clues to causes of anemia that are reported in a CBC are the size, shape, and color of red blood cells.
|Picture of Red Blood Cells|
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