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As a general concept is the CBC analysis with which we can measure in aggregate form and as a percentage of the 3 basic types of cells that are present in the blood calls blood cell series 3:

* A series red or electrolytic
* A series white or leucocitaria
* A series plaquetaria

Each series will have the specific functions that can treat disturbed when there is an alteration in the quantity and characteristics of cells that compose it.

* The red series: It consists of the so-called erythrocytes or red blood cells it is a main function to carry oxygen from the lungs to all cells and tissues of the body.

The CBC will quantify the number of red blood cells, hemoglobin (the molecule that is part of red blood cells), the hematocrito (it measures the percentage of erythrocytes in total blood and also indexes eritrocitarios (he inform the size and concentration of hemoglobin in red blood cells). Assesses that they varied by age and sex.

* The white series: Formed by white blood cells or leukocytes, it has important functions for the host defense to infections and foreign substances. The CBC measures the count of white blood cells in a form and also the total percentage of each type of leukocytes, after increasing, some decreasing others. The values will vary taking into account age.

* The series plaquetaria: It is formed by platelets or trombocitos they have a direct relationship with the process of blood clotting. The blood count carries a count of the number of platelets and proportionate data on the size of platelets. This statement has changes such as age.

This blood test is very simple to perform, prior fasting is not necessary, pulling him about 5 cc.de bleeding.

It is very useful since it serves to direct the trader to make the diagnosis of different diseases that are suspected by physical examination and clinical history of the patient, and on several occasions the data available to the CBC offer the data are sufficient to confirm or underestimated disease. However, most often are other tests needed to obtain greater information prior to giving a diagnosis.