RBC (Red blood cells) and Anemia for health professionals, HA, CMA 2024

RBC (Red blood cells) and Anemia

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Introduction

The most prevalent type of blood cell in the human body are red blood cells, or erythrocytes. They primarily carry carbon dioxide back to the lungs so that it can be breathed, as well as oxygen from the lungs to the body's tissues and organs.

Lifespan of RBCs

RBCs are made in the bone marrow and have a 120-day average lifespan. Due to their small size, flexibility, and biconcave disk-like form, they may easily fit into constricted blood arteries and effectively transfer oxygen.




A hormone called erythropoietin, which the kidneys generate in reaction to low blood oxygen levels, controls the maturation and synthesis of RBCs.

Video lecture in Anemia in Nepali

Abnormalities in RBC count or function can lead to a range of medical conditions, including anemia, sickle cell disease, and polycythemia. Understanding the structure and function of RBCs is important in the diagnosis and management of these conditions.

Anemia: 

Anemia is a disorder where the body's ability to carry oxygen is compromised due to a shortage of red blood cells (RBCs) of a certain type or quantity. This may result in symptoms like weakness, exhaustion, breathlessness, and pale skin.

Blood loss, a decline in RBC production, or an increase in RBC oxidation are a few of the causes of anemia. Iron deficiency, vitamin B12 insufficiency, and chronic illnesses including cancer or kidney disease are common causes of anemia.

Causes of Anemia

Blood tests to assess RBC count, hemoglobin levels, and other indicators of RBC function are frequently used to diagnose anemia. Depending on the underlying cause of the anemia, treatment options may include dietary adjustments, vitamin or iron supplements, prescription drugs, or blood transfusions.




In addition to controlling any underlying medical disorders that may raise the risk of anemia, prevention of anemia entails keeping a nutritious diet that contains supplies of iron, vitamin B12, and other vital minerals.

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