Industrial exposure to toluene opportunities include: coal tar fractionation or petroleum cracking, as a solvent or diluent in spray paint, paint, rubber, leather, printing, etc., as well as in the manufacture of explosives, pesticides, benzoic acid, dyes, synthetic resins. And polyester, etc., can also be used as a participating component in aviation gasoline.
    Acute poisoning caused by toluene is mainly characterized by anesthesia and autonomic dysfunction of the central nervous system, as well as mucosal irritation, severe convulsions, unconsciousness, and some rickets-like symptoms. Chronic poisoning often has neurasthenia syndrome, which can also cause encephalopathy and liver and kidney damage. Female workers may have abnormal menstruation. The effect on the blood system is not obvious.
    Acute poisoning: dizziness, headache, nausea, vomiting, weakness of limbs, confusion, gait sputum after inhalation of higher concentration of vapor, severe convulsions, convulsions or coma, accompanied by eye and upper respiratory tract irritation, eye may appear Conjunctiva and pharyngeal congestion. Pneumonia, pulmonary edema, pulmonary hemorrhage and anesthesia may occur after direct inhalation of fluid.
1. Diagnostic principles According to the occupational history of exposure to a large amount of toluene in a short period of time, the clinical manifestations of neurological damage, combined with on-site labor hygiene survey, comprehensive analysis, and exclusion of similar diseases caused by other causes, can be diagnosed.
2 Contact reactions include dizziness, headache, fatigue, facial flushing, conjunctival hyperemia and other symptoms, which can be fully recovered in the short term after dissociation.
3 Diagnostic and grading standards
3.1 mild poisoning dizziness, headache, fatigue and other symptoms aggravated, and have nausea, vomiting, chest tightness, cough, etc. and have one of the following conditions
a) drowsiness;
b) confusion;
c) 朦胧 state.
3.2 Severe poisoning On the basis of mild poisoning, there is one of the following conditions:
a) coma;
b) severe toxic liver disease;
c) severe toxic kidney disease;
d) Severe toxic heart disease.
    Acute poisoning caused by toluene is mainly characterized by anesthesia and autonomic dysfunction of the central nervous system, as well as mucosal irritation, severe convulsions, unconsciousness, and some rickets-like symptoms. Chronic poisoning often has neurasthenia syndrome, which can also cause encephalopathy and liver and kidney damage. Female workers may have abnormal menstruation. The effect on the blood system is not obvious.
    Acute poisoning: dizziness, headache, nausea, vomiting, weakness of limbs, confusion, gait sputum after inhalation of higher concentration of vapor, severe convulsions, convulsions or coma, accompanied by eye and upper respiratory tract irritation, eye may appear Conjunctiva and pharyngeal congestion. Pneumonia, pulmonary edema, pulmonary hemorrhage and anesthesia may occur after direct inhalation of fluid.
1. Diagnostic principles According to the occupational history of exposure to a large amount of toluene in a short period of time, the clinical manifestations of neurological damage, combined with on-site labor hygiene survey, comprehensive analysis, and exclusion of similar diseases caused by other causes, can be diagnosed.
2 Contact reactions include dizziness, headache, fatigue, facial flushing, conjunctival hyperemia and other symptoms, which can be fully recovered in the short term after dissociation.
3 Diagnostic and grading standards
3.1 mild poisoning dizziness, headache, fatigue and other symptoms aggravated, and have nausea, vomiting, chest tightness, cough, etc. and have one of the following conditions
a) drowsiness;
b) confusion;
c) 朦胧 state.
3.2 Severe poisoning On the basis of mild poisoning, there is one of the following conditions:
a) coma;
b) severe toxic liver disease;
c) severe toxic kidney disease;
d) Severe toxic heart disease.
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