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1. What chemicals have you been exposed to?
2. If the blood test of benzene workers finds the following changes, and there is no improvement after re-examination every 1 2 weeks within 3 months, and no other reasons can be found, they can be listed as occupational disease observation objects
1) The white blood cell count fluctuated around 4 109
l(4000~4500/mm3
2) Chronic mild poisoning.
Repeat every 1 2 weeks for 3 months if the white blood cell count persists or is substantially below 4 109 L (4000 mm3).
or neutrophils less than 2 109
l(2000/mm3
Symptoms such as dizziness, headache, fatigue, insomnia, and memory loss are common.
Chronic moderate poisoning.
Most of them have symptoms of chronic mild poisoning, and they are susceptible to infection and/or bleeding. One of the following:
a) White blood cell count below 4 109
l(4000/mm3
or neutrophils less than 2 109
l (2000 mm3 with platelet count less than 60 109 L (60,000 mm3.)
b) White blood cell count less than 3 109
l(3000/mm3
or neutrophils lower.
l(1500/mm3
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There are many causes of low white blood cells.
For example, physical fatigue, cold and cough.
If you are an occupation, exposure to benzene is also possible.
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There are often patients who find that they have leukopenia when they check the blood routine in the hospital, but they never understand what causes it, and there are many reasons for leukopenia, which has a lot to do with the patient's occupation or environment. Occupational diseases include chemical harmful factors and physical harmful factors: 1. Chemical harmful factors There are many operations for chemical harmful factors
Some have been shown to cause leukopenia; Some can cause leukopenia, but the evidence is insufficient. Some have been shown to cause leukopenia in animal experiments, but have not been proven in humans. The more common ones are:
In modern decoration projects, benzene-containing compounds (toluene, xylene), spray paint, paint, coatings, insulating materials, etc., are widely used, which can cause leukopenia; Workers in other operations, such as oil cracking, coke, pharmaceutical, pesticide, leather, rubber, printing, and handling benzene-containing gasoline, are susceptible to leukopenia. Industrial compounds that have the potential to cause leukopenia, such as alkyl or phenylphenols, amines, etc. 2. Physical harmful factors Physical harmful factors can cause leukopenia to be the most common in patients with radioactive operations
Radioactivity-related jobs include: mining or processing radioactive uranium and radium, and applying tracer atoms in the metallurgical industry to study smelting, casting, heat treatment, welding and other processes. The application of rays and neutrons in geological exploration, such as ray mapping of uranium deposits and neutron exploration of oil.
Medical personnel who use X-ray machines and radioisotopes for diagnosis and treatment. Therefore, in order to avoid the occurrence of leukopenia caused by occupational factors, those engaged in the above occupations must master the relevant prevention and control knowledge and actively do a good job of personal protection. Master the knowledge of prevention and control.
Be familiar with the characteristics of poisons in your own work and use personal protective equipment correctly; Protective equipment should be worn when working, and cleaned and replaced regularly to prevent surface contamination and failure. Practice good personal hygiene. When engaging in toxic work, it is strictly necessary not to eat, smoke, sleep, etc. in the workplace, and to develop good hygiene habits.
Pre-employment medical check-ups and regular check-ups. The purpose of the pre-employment medical examination is to prevent people with contraindications to employment from engaging in work that is not conducive to health, and to provide comparative data for the analysis of the results of regular medical examinations in the future. A history of cyclic and familial leukopenia should be noted during the pre-employment physical examination, and laboratory tests should be performed when the presence of such disorders is suspected.
Regular check-ups are aimed at early detection of diseases so that early prevention and treatment measures can be taken. Practice has proved that both pre-employment physical examination and post-employment regular physical examination have important preventive significance for occupational leukopenia.
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It mainly depends on what type of work is caused, some belong and some do not.
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The following occupational diseases may cause leukopenia:
1.External beam radiation acute radiation sickness.
2.External radiation subacute is known as radiation sickness.
3.External beam radiation chronic radiation sickness.
4.Internal radiation sickness.
5.Radiation tumors.
6.Radiation thyroid disease.
7.Radiation gonadal disease.
8.Radiation compound injury.
9. Leukemia caused by benzene.
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