Anemia

  • Medical Author:
    Jerry R. Balentine, DO, FACEP

    Dr. Balentine received his undergraduate degree from McDaniel College in Westminster, Maryland. He attended medical school at the Philadelphia College of Osteopathic Medicine graduating in1983. He completed his internship at St. Joseph's Hospital in Philadelphia and his Emergency Medicine residency at Lincoln Medical and Mental Health Center in the Bronx, where he served as chief resident.

  • Medical Author: Siamak N. Nabili, MD, MPH
    Siamak N. 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.

  • Medical Editor: William C. Shiel Jr., MD, FACP, FACR
    William C. Shiel Jr., MD, FACP, FACR

    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.

What is the hematocrit?

The hematocrit is specifically a measure of how much of the blood is made of red cells. The hematocrit is a very convenient way to determine whether the red blood cell count is too high, too low, or normal. The hematocrit is a measure of the proportion of blood that is composed of the red blood cells.

How is hematocrit determined?

The red blood cells in the sample of blood are packed down by spinning the tube in a centrifuge under prescribed conditions. The proportion of the tube that consists of red blood cells is then measured. Let's say that it is 45%. The hematocrit is 45%. Continue Reading

Reviewed on 7/16/2015
References
REFERENCE:

Maakaron, Joseph E, et al. "Anemia." eMedicine. 4 Nov. 2011. <http://emedicine.medscape.com/article/198475-overview>.

IMAGES:

1.iStock

2.Wikipedia - Mikael Häggström

3.iStock

4.iStock/Bigstock

5.Bigstock

6.Getty Images

7.Bigstock

8.Bigstock

9.Bigstock

10.Bigstock

11.Bigstock

12.iStock

13.Bigstock

14.iStock

15.Getty Images/Blend Images

16.Photolibrary.com

17.Bigstock

18.Getty Images/Blend Images

19.Getty Images/Rubberball

20.iStock

Blood and Bleeding Disorders Quiz

Subscribe to MedicineNet's Newsletters

Get the latest health and medical information delivered direct to your inbox!

By clicking Submit, I agree to the MedicineNet's Terms & Conditions & Privacy Policy and understand that I may opt out of MedicineNet's subscriptions at any time.

VIEW PATIENT COMMENTS
  • Anemia - Symptoms

    For anemia, what were the symptoms and signs you experienced?

    Post View 38 Comments
  • Anemia - Treatments

    How was your anemia treated?

    Post View 25 Comments
  • Anemia - Levels

    What did you do to get your hemoglobin levels up?

    Post View 6 Comments
  • Anemia - Diet

    What dietary changes did you make after being diagnosed with anemia? Did the changes help your condition?

    Post View 1 Comment

Health Solutions From Our Sponsors