The level of white blood cells in a child: a blood test
To determine the level of white blood cells is required to take a blood test blood test: the mirror of health .Your doctor may order a blood test to determine the level of white blood cells.It helps to determine whether a child is suffering from an infection, a disease or an allergic reaction.In such cases, the level of white blood cells is higher than normal.If the patient is susceptible to disease and infection, white blood cell count may be reduced.
leukocytes (white blood cells) - are blood cells that fight bacteria and viruses.Low leukocytes may indicate that the child is at risk of infection, and the high level - that infection or disease is already present.
Types of leukocytes
total number of leukocytes includes several different types of cells.This neutrophils, lymphocytes, monocytes, basophils and eosinophils.The number of each type of white blood cells may help the doctor determine whether to order the child's immune system.Too large or small number of white blood cells of any kind can affect the immune system immune system - how it works? .
normal level for children - from 4 500 to 10 000 white blood cells per microliter, the exact value depends on the age and sex.Above all levels of white blood cells in children under one year, and then it decreases.There are also rules for each type of white blood cells.
If the level of white blood cells above or below the norm, it is a sign of ill health.In addition to the overall level of white blood cells, your doctor may draw attention to the number of certain types of white blood cells.For example, lymphocytes should be from 15 to 40% of total leukocytes.If the level is lower or higher, this may indicate a risk for the health of the child.
unusually low level of white blood cells indicates that the patient's radiation, which may be due to damage to the bone marrow radiation radiation and its biological effects: gently infected! or illness of the spleen or liver.Excessively high level of white blood cells indicates leukocytosis.It may be caused by anemia, infectious disease, leukemia, allergies or very severe stress How to beat stress?Create an oasis .