What does low hemoglobin levels means in a blood picture test?

What does cause of low hemoglobin levels in blood?
Several disorders and disease show anemic symptoms on the patients, the main reason of the anemic appearance is low hemoglobin level in the blood, and this level is measured by a blood test called hemoglobin level test or within complete blood picture testing.
such cases cause low hemoglobin count are Anemia of several reasons as iron deficiency, sickle cell anemia, thalassemic anemia or hemolytic anemia, pregnant women and after birth, due to renal failure, and may be due to hereditary or non-pathogenesis reasons.
1- What is Anemia?
It is a condition marked by a deficiency of red blood cells or of hemoglobin in the blood,
2- What does Sickle cell disease means?
It is a genetic life-long blood disorder characterized by red blood cells that assume an abnormal, rigid, sickle shape.
3- What is meant by Iron deficiency anemia?
Iron deficiency is one of the most commonly known forms of nutritional deficiencies.
4- What does Thalassemia means?
Any of a group of hereditary hemolytic diseases caused by faulty hemoglobin synthesis,
5- What is meant by Kidney failure?
It is a situation in which the kidneys fail to function adequately.
6- Low hemoglobin level in pregnancy and after birth
What is low hemoglobin?
Hemoglobin normal count is:
Normal Adult Female Range: 12.0 – 16.0 g/dL
Normal Adult Male Range: 13.5 – 17.5 g/dL
Normal Newborn Range: 14 – 20 g/dL
Any blood test result low or high than those normal number is considered abnormal hemoglobin level in blood, and called anemia.
What does anemia means?
It is a disorder in blood in which complete blood picture test show low number of red blood cells and low level of hemoglobin.
What is hemoglobin?
Hemoglobin is the protein responsible for the transfer of oxygen from the lungs to the heart and then to all the tissues of the body and thus the transfer of harmful substances to where they are disposed of and purify the blood of wastes. also Hemoglobin is the red pigment in blood cells and consists of 4 protein chains associated with one atom of iron element.
What is the hematocrit (Hct)?
Hematocrit is the portion of blood sample that represents all red blood when compacted at the bottom of blood tube.
Normal Adult Female Range: 36 – 46 percent
Normal Adult Male Range 41 – 53 percent
Normal Newborn Range: 49 – 61 percent
Interpretation of medical case of low hematocrit and hemoglobin
It is the criterion when there is an anemia result from low RBS count in CBC test
What is the signs and symptoms of low hemoglobin level in blood?
Bit little low Hgb results may be not show marked symptoms but in general Feeling of tiredness
Lack of concentration
Rapid/irregular heartbeat
Pale nail beds, skin, and gums
And in anemic children they will feel
Poor neurological development
Disturbed behavior
Low levels of concentration
Rapid heartbeat
It is serious to know if you are anemic if the Hgb% is lower than 9 g/dl
Persons suffer from chronic anemia may be shown as very pale with Swelling in arms and legs
Persistent heartburn
Excessive perspiration
Bloody stool
What are the reasons for low hemoglobin (Hb) and low hematocrit (Hct)?
The reasons for the lack of hemoglobin in the blood are:
1 – iron deficiency, lead to low MCV and abnormal RDW% and low MCHC values in complete blood picture test.
2 – defects hemoglobin synthesis in bone marrow and then asked Dr. disclose any stage of hemoglobin that happened then and then imbalance can be treated separately
3 – the reasons that lead to a shortage of red blood cells, such as bleeding and clotting
My CBC test results show: hemoglobin 9.0 g/dl and Hct 16%, what does this means?
It is anemia condition and results from lack of RBC count and may be diagnose as iron deficiency anemia
What does hemoglobin result 5 g/dl means?
It sever anemia can be a result of many reasons, it is require fast medical decision and fast blood transferring action to the patient, more decreasing low of 5 g/dl of hemoglobin level in blood lead to the death.
Recommendation when hemoglobin level is low shown in CBC test?

  1. No one has 100% accurate test results, please repeat your test in another lab.
  2. complete blood count is the best test to show the reasons of low hemoglobin results.
  3. Blood film test is a medical test for a blood smear by microscope to show the real disintegrating and disordering in blood cells, it is recommended test when sever anemia of unknown origin is suspected.
  4.  blood transfusion may be vigorously recommended when hemoglobin level lowers than 9 g/dl for pregnant women and ordinary people, and lower than 7.0 g/dl for medicated persons.

More about checking your blood up:
Is high glucose causing Anemia?
Can kidney inflammation cause anemia?
What does normal range means?

Dr.Megan Ralf

A Medical laboratory Scientist who devoted his life to medical and laboratory sciences, writes his everyday expertise dealing with various pathological conditions through laboratory diagnosis of different body fluids, also participating in many workshops for first aids, infection control, and urgent care. Also Dr Megan Ralf coaching many medical teams.

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